Add icons to this collection by clicking the heart icon.
Learning icon - also known as education, idea, book, knowledge, school, learning, brain, students, reader, doubts, brains, and loupe. Created in a clean flat style with a silver, gray, yellow, and pink finish, perfect for web, apps, and UI projects. Available in SVG and PNG, with multiple style variants.
<svg
xmlns="http://www.w3.org/2000/svg"
width="512pt"
height="512pt"
viewBox="0 -11 512 512"
>
<path
fill="#4a555f"
d="M350.426 129.113a44.564 44.564 0 0 0-3.887-1.754c.52-2.714.777-5.476.777-8.25 0-24.418-19.765-44.304-44.14-44.492a24.465 24.465 0 0 0-21.985-10.906c-12.82.812-22.863 11.82-22.863 25.059v58.925c0 16.301 13.262 29.563 29.567 29.563h57.32c5.215 0 10.09-1.653 13.73-4.656 4.04-3.332 6.563-7.899 7.493-13.579 1.964-11.992-4.47-24.011-16.012-29.91zm9.254 28.801c-.653 3.996-2.368 7.16-5.09 9.406-2.418 1.993-5.746 3.09-9.375 3.09h-57.32c-12.528 0-22.72-10.191-22.72-22.715V88.77c0-9.633 7.227-17.641 16.454-18.223.387-.027.777-.04 1.16-.04 6.45 0 12.379 3.532 15.477 9.216l1.03 1.879 2.138-.098c.449-.02.921-.04 1.39-.04 20.758 0 37.645 16.888 37.645 37.645 0 3.239-.418 6.461-1.254 9.575l-.844 3.168 3.125.98c2 .629 3.957 1.43 5.813 2.379 8.879 4.539 13.851 13.66 12.37 22.703zm0 0"
/>
<path
fill="#ffd452"
d="M343.668 142.324a29.092 29.092 0 0 0-4.566-1.867l-10.422-3.277 2.816-10.555c.652-2.445.984-4.973.984-7.512 0-16.351-13.304-29.656-29.656-29.656-.351 0-.703.02-1.047.031l-7.12.317-3.41-6.258a9.63 9.63 0 0 0-9.114-5.027c-4.946.316-8.965 4.914-8.965 10.25v58.925c0 8.118 6.605 14.723 14.727 14.723h57.32c1.75 0 3.316-.457 4.289-1.262.77-.633 1.844-1.793 2.293-4.535.914-5.598-2.352-11.344-8.129-14.297zm0 0"
/>
<path
fill="#4a555f"
d="M286.21 123.29v-56.2h-6.85v63.047h22.93v19.27h6.85v-26.118zM317.887 82.438h6.847v30.617h-6.847zM328.273 173.832l.008-18.477 6.848.004-.008 18.477zm0 0"
/>
<path
fill="#4a555f"
d="M305.715 145.98c-5.18 0-9.395 4.215-9.395 9.399 0 5.18 4.215 9.394 9.395 9.394s9.394-4.214 9.394-9.394c0-5.184-4.214-9.399-9.394-9.399zm0 11.942a2.549 2.549 0 0 1-2.547-2.543c0-1.406 1.145-2.547 2.547-2.547s2.547 1.14 2.547 2.547a2.549 2.549 0 0 1-2.547 2.543zM321.316 109.629c-5.18 0-9.394 4.215-9.394 9.394 0 5.18 4.215 9.399 9.394 9.399 5.184 0 9.399-4.219 9.399-9.399 0-5.18-4.215-9.394-9.399-9.394zm0 11.941a2.546 2.546 0 0 1 0-5.093 2.547 2.547 0 0 1 0 5.094zM301.266 92.535c-5.184 0-9.399 4.215-9.399 9.399 0 5.18 4.215 9.394 9.399 9.394 5.18 0 9.394-4.215 9.394-9.394 0-5.184-4.215-9.399-9.394-9.399zm0 11.942a2.546 2.546 0 0 1-2.547-2.543 2.547 2.547 0 0 1 2.547-2.547 2.546 2.546 0 0 1 2.543 2.547 2.543 2.543 0 0 1-2.543 2.543zM282.785 135.648c-5.18 0-9.394 4.215-9.394 9.399 0 5.18 4.214 9.394 9.394 9.394s9.395-4.214 9.395-9.394c0-5.184-4.215-9.399-9.395-9.399zm0 11.942a2.549 2.549 0 0 1-2.547-2.543c0-1.406 1.145-2.547 2.547-2.547s2.543 1.14 2.543 2.547a2.546 2.546 0 0 1-2.543 2.543zM331.707 139.988c-5.184 0-9.398 4.215-9.398 9.399 0 5.18 4.214 9.394 9.398 9.394 5.18 0 9.395-4.215 9.395-9.394 0-5.184-4.215-9.399-9.395-9.399zm0 11.946a2.547 2.547 0 1 1 2.547-2.547 2.555 2.555 0 0 1-2.547 2.547zm0 0"
/>
<path
fill="#4a555f"
d="M297.84 78.074h6.848v17.887h-6.848zM279.36 151.016h6.85v22.32h-6.85zM225.004 63.71a24.43 24.43 0 0 0-21.988 10.907c-24.375.188-44.141 20.074-44.141 44.492 0 2.774.262 5.536.777 8.25a45.104 45.104 0 0 0-3.882 1.75c-11.547 5.903-17.98 17.922-16.016 29.914.93 5.676 3.45 10.247 7.492 13.579 3.64 3.003 8.52 4.656 13.73 4.656h57.325c16.3 0 29.562-13.262 29.562-29.563V88.77c0-13.239-10.043-24.247-22.86-25.06zm16.012 83.985c0 12.524-10.192 22.715-22.715 22.715h-57.324c-3.625 0-6.957-1.097-9.372-3.09-2.726-2.246-4.44-5.414-5.093-9.406-1.48-9.039 3.492-18.164 12.375-22.703a37.064 37.064 0 0 1 5.808-2.375l3.13-.984-.848-3.168a37.074 37.074 0 0 1-1.254-9.57c0-20.762 16.886-37.65 37.644-37.65.473 0 .942.024 1.403.044l2.136.094 1.024-1.88c3.28-6.019 9.68-9.632 16.636-9.175 9.223.586 16.45 8.59 16.45 18.226zm0 0"
/>
<path
fill="#ffd452"
d="M224.063 78.52a9.57 9.57 0 0 0-.66-.024c-3.52 0-6.762 1.938-8.458 5.047l-3.406 6.262-7.121-.317c-.348-.015-.7-.035-1.05-.035-16.352 0-29.653 13.305-29.653 29.656 0 2.543.332 5.07.98 7.516l2.82 10.555-10.425 3.277a29.092 29.092 0 0 0-4.567 1.867c-5.777 2.953-9.043 8.7-8.125 14.297.45 2.742 1.524 3.899 2.29 4.531.972.805 2.539 1.266 4.292 1.266h57.32c8.122 0 14.727-6.606 14.727-14.727V88.77c-.004-5.336-4.023-9.938-8.964-10.25zm0 0"
/>
<g fill="#4a555f">
<path
d="M219.984 67.09v56.2h-22.93v26.116h6.848v-19.27h22.93V67.09zM181.457 82.438h6.848v30.617h-6.848zM171.07 155.355h6.852v18.48h-6.852zm0 0"
/>
<path
d="M200.477 145.98c-5.18 0-9.395 4.215-9.395 9.399 0 5.18 4.215 9.394 9.395 9.394s9.394-4.214 9.394-9.394c0-5.184-4.215-9.399-9.394-9.399zm0 11.942a2.549 2.549 0 0 1-2.547-2.543 2.547 2.547 0 0 1 5.094 0 2.546 2.546 0 0 1-2.547 2.543zM184.875 109.629c-5.184 0-9.398 4.215-9.398 9.394 0 5.18 4.214 9.399 9.398 9.399 5.18 0 9.395-4.219 9.395-9.399 0-5.18-4.215-9.394-9.395-9.394zm0 11.941a2.547 2.547 0 0 1 0-5.093 2.552 2.552 0 0 1 2.547 2.546 2.55 2.55 0 0 1-2.547 2.547zM204.93 92.535c-5.184 0-9.399 4.215-9.399 9.399 0 5.18 4.215 9.394 9.399 9.394 5.18 0 9.394-4.215 9.394-9.394 0-5.184-4.215-9.399-9.394-9.399zm0 11.942a2.546 2.546 0 0 1-2.547-2.543 2.547 2.547 0 0 1 5.094 0 2.549 2.549 0 0 1-2.547 2.543zM223.406 135.648c-5.18 0-9.394 4.215-9.394 9.399 0 5.18 4.215 9.394 9.394 9.394 5.184 0 9.399-4.214 9.399-9.394 0-5.184-4.215-9.399-9.399-9.399zm0 11.942a2.546 2.546 0 0 1 0-5.09 2.547 2.547 0 0 1 2.547 2.547 2.546 2.546 0 0 1-2.547 2.543zM174.488 139.988c-5.18 0-9.394 4.215-9.394 9.399 0 5.18 4.215 9.394 9.394 9.394 5.18 0 9.395-4.215 9.395-9.394 0-5.184-4.215-9.399-9.395-9.399zm0 11.946a2.547 2.547 0 1 1 2.547-2.547 2.552 2.552 0 0 1-2.547 2.547zm0 0"
/>
<path
d="M201.504 78.074h6.848v17.887h-6.848zM219.984 151.016h6.848v22.32h-6.848zM252.914 0C205.777 0 163.57 26.332 142.77 68.723l6.148 3.015c19.644-40.023 59.492-64.89 103.996-64.89 44.508 0 84.36 24.867 104 64.89l6.152-3.015C342.262 26.332 300.055 0 252.914 0zm0 0"
/>
<path
d="m361.793 45.523-4.852 19.68-18.586-3.762-1.359 6.715 25.02 5.063 6.43-26.055zM152.36 194.938l-1.536 26.113 6.84.398 1.125-19.168 18.719 1.387.504-6.832zm0 0"
/>
<path
d="m206.219 235.61-.125-.051c-19.387-8.59-36.063-22.368-48.242-39.848l-5.622 3.918c12.946 18.574 30.688 33.203 51.32 42.293l.657.289c4.066 1.93 28.477 14.984 28.477 49.875h6.847c0-42.422-32.98-56.34-33.312-56.477zM346.207 195.71c-12.176 17.481-28.855 31.255-48.238 39.849l-.13.05c-.347.141-8.577 3.555-16.788 12.243-7.535 7.98-16.524 22.128-16.524 44.23h6.852c0-34.57 23.45-47.488 28.234-49.766l.895-.394c20.629-9.094 38.375-23.719 51.32-42.297zm0 0"
/>
<path
d="m282.945 274.227-14.554 12.894-11.504-14.531-5.371 4.25 16 20.207 19.968-17.695zm0 0"
/>
</g>
<path
fill="#f58e6f"
d="M58.21 334.563h-9.108v140.585h9.132v-25.707zM132.816 458.613c-1.984-.32-3.968-.617-6.004-.914a1.715 1.715 0 0 0-.32-.047c-2.668-.386-5.387-.73-8.125-1.074-.363-.043-.754-.09-1.12-.113a392.3 392.3 0 0 0-7.645-.82c-.504-.047-1.008-.118-1.485-.16a734.22 734.22 0 0 0-7.719-.641c-.5-.024-1.003-.067-1.507-.114-2.192-.136-15.704-.296-17.942-.41l.16 20.82h117.114c-17.235-6.21-39.22-12.417-65.407-16.527zM440.883 334.563h9.086v140.585h-9.086zM400.188 454.73c-.5.047-1.004.094-1.504.114-2.606.207-5.16.414-7.72.64-.48.043-.98.114-1.484.16-2.578.25-5.136.524-7.648.82-.363.024-.754.071-1.117.114-2.742.344-5.457.688-8.13 1.074-.089 0-.202.024-.32.047-2.03.297-4.015.594-6.003.914-26.184 4.11-48.168 10.317-65.407 16.528h117.258v-20.82c-2.234.113-15.73.273-17.925.41zm0 0"
/>
<path
fill="#4a555f"
d="M251.414 326.656c-.687-.46-17.137-11.43-47.887-22.515-28.265-10.188-74.445-22.336-133.91-22.336a3.428 3.428 0 0 0-3.426 3.425v157.047a3.425 3.425 0 0 0 3.426 3.426c58.34 0 103.613 11.875 131.324 21.84 30.036 10.8 46.485 21.746 46.649 21.855a3.42 3.42 0 0 0 3.52.18 3.424 3.424 0 0 0 1.816-3.02V329.497a3.427 3.427 0 0 0-1.512-2.84zm-5.34 153.836c-17.793-10.16-79.273-40.887-173.035-41.625V288.668c56.691.453 100.738 12.059 127.902 21.82 24.875 8.946 40.43 17.985 45.133 20.89zm0 0"
/>
<path
fill="#dfdfdf"
d="M81.031 296.797v134.21c76.992 1.938 130.953 23.118 157.055 36.098V335.93c-16.316-9.293-71.602-36.836-157.055-39.133zm0 0"
/>
<path
fill="#4a555f"
d="M429.383 281.805c-59.461 0-105.64 12.148-133.91 22.336-30.75 11.086-47.2 22.054-47.887 22.515a3.427 3.427 0 0 0-1.512 2.84v157.059a3.425 3.425 0 0 0 5.34 2.84c.16-.11 16.426-10.957 46.383-21.758 27.754-10.004 73.113-21.934 131.586-21.934a3.425 3.425 0 0 0 3.426-3.426V285.23a3.425 3.425 0 0 0-3.426-3.425zm-3.422 157.062c-93.762.738-155.242 31.465-173.035 41.625V331.38c4.703-2.906 20.258-11.95 45.133-20.89 27.164-9.766 71.21-21.372 127.902-21.821zm0 0"
/>
<path
fill="#dfdfdf"
d="M260.914 335.95v131.155c26.106-12.98 80.063-34.16 157.055-36.097V296.8c-85.102 2.304-140.68 29.883-157.055 39.148zm0 0"
/>
<path
fill="#4a555f"
d="M251.414 483.715c-.687-.461-17.137-11.43-47.883-22.512-27.722-9.996-72.672-21.871-130.48-22.324V319.715H34.258V489.98h226.457zm-210.309-.582V326.566H66.2v119.149h3.426c85.453 0 143.969 25.332 167.016 37.418zm0 0"
/>
<path
fill="#4a555f"
d="M425.953 319.715v119.164c-111.8.875-177.707 44.394-178.363 44.836l-9.305 6.265h226.457V319.715zm31.942 163.418H262.34c23.008-12.086 81.46-37.418 167.035-37.418h3.426V326.566h25.094zM269.527 345.637l3.606 5.824c.55-.34 56.125-34.176 131.52-34.176v-6.847c-77.325 0-134.555 34.847-135.126 35.199zm0 0"
/>
<path
fill="#4a555f"
d="m269.527 378.41 3.606 5.824c.55-.34 56.125-34.175 131.52-34.175v-6.848c-77.325 0-134.555 34.848-135.126 35.2zM269.527 411.188l3.606 5.824c.55-.34 56.125-34.176 131.52-34.176v-6.848c-77.325 0-134.555 34.848-135.126 35.2zM269.527 443.96l3.606 5.825c.55-.34 56.125-34.176 131.52-34.176v-6.847c-77.325 0-134.555 34.847-135.126 35.199zM94.98 310.438v6.847c75.297 0 130.973 33.836 131.524 34.176l3.601-5.824c-.57-.352-57.8-35.2-135.125-35.2zM94.98 343.21v6.849c75.297 0 130.973 33.836 131.524 34.175l3.601-5.824c-.57-.351-57.8-35.2-135.125-35.2zM94.98 375.988v6.848c75.297 0 130.973 33.836 131.524 34.176l3.601-5.825c-.57-.351-57.8-35.199-135.125-35.199zM94.98 408.762v6.847c75.297 0 130.973 33.836 131.524 34.176l3.601-5.824c-.57-.352-57.8-35.2-135.125-35.2zM251.215 483.586l-.121-.086c-6.817-4.43-69.668-43.316-176.106-44.613-1.773-.024-3.566-.024-5.363-.024h-3.426v51.117h183.348l14.101-.023zm-178.164-.453v-37.414c.617.004 1.234.008 1.851.02 83.567 1.019 139.504 25.46 161.918 37.394zm0 0"
/>
<path
fill="#4a555f"
d="M429.375 438.863c-1.816 0-3.613 0-5.406.024-96.442 1.183-156.93 33.086-173.051 42.77l-2.844 1.75-12.765 6.573H432.8v-51.117zm-3.422 44.27H262.32c21.782-11.438 78.63-36.375 161.735-37.395.632-.011 1.261-.015 1.894-.02v37.415zm0 0"
/>
<path fill="#f58e6f" d="M44.242 106.91h50.75v50.75h-50.75zm0 0" />
<path
fill="#4a555f"
d="M52.223 93.188h6.851v13.722h-6.851zM66.191 93.188h6.852v13.722h-6.852zM80.16 93.188h6.852v13.722H80.16zM52.223 157.66h6.851v13.719h-6.851zM66.191 157.66h6.852v13.719h-6.852zM80.16 157.66h6.852v13.719H80.16zM94.992 114.89h13.723v6.852H94.992zM94.992 128.86h13.723v6.85H94.992zM94.992 142.828h13.723v6.852H94.992zM30.523 114.89h13.72v6.852h-13.72zM30.523 128.86h13.72v6.85h-13.72zM30.523 142.828h13.72v6.852h-13.72zm0 0"
/>
<path
fill="#4a555f"
d="M40.816 103.484v57.602h57.598v-57.602zm50.75 50.75H47.668v-43.898h43.898zm0 0"
/>
<path
fill="#71cce0"
d="M468.352 131.785c0-4.015 6.847-9.11 10.18-11.96a35.237 35.237 0 0 0-2.145-4.864c-4.36.297-12.672 1.71-15.457-1.098-2.715-2.691-1.414-10.957-1.207-15.18a39.827 39.827 0 0 0-5.207-2.124c-2.832 3.105-7.649 9.91-11.485 9.91s-8.676-6.805-11.504-9.91c-1.804.593-3.539 1.3-5.207 2.125.207 4.222 1.532 12.488-1.187 15.203-2.785 2.785-11.117 1.394-15.453 1.074a35.255 35.255 0 0 0-2.149 4.863c3.332 2.852 10.207 7.946 10.207 11.961 0 4.133-7.031 9.223-10.617 12.078a35.02 35.02 0 0 0 1.824 4.61c4.567-.547 13.243-1.758 16.188 1.21 3.039 3.04 1.715 11.782 1.05 16.462a35.082 35.082 0 0 0 4.36 1.847c2.832-3.808 8.195-10.91 12.488-10.91 4.317 0 9.656 7.098 12.489 10.91a35.137 35.137 0 0 0 4.363-1.847c-.688-4.68-1.988-13.422 1.047-16.461 2.945-2.97 11.597-1.758 16.187-1.211a35.02 35.02 0 0 0 1.824-4.61c-3.582-2.855-10.59-7.945-10.59-12.078zm-25.32 11.414c-6.344 0-11.505-5.16-11.505-11.504 0-6.37 5.16-11.507 11.504-11.507a11.488 11.488 0 0 1 11.508 11.507c0 6.344-5.137 11.504-11.508 11.504zm0 0"
/>
<path
fill="#4a555f"
d="M480 140.336c-2.035-1.594-8.23-6.457-8.23-8.559 0-1.87 5.64-6.547 7.496-8.086a146.69 146.69 0 0 0 1.504-1.257l1.78-1.528-.777-2.21a39.689 39.689 0 0 0-2.351-5.329l-1.04-1.965-2.218.149c-.758.05-1.629.136-2.566.226-1.887.184-4.024.387-5.977.387-3.52 0-4.262-.695-4.273-.707-1.102-1.215-.586-7.512-.395-9.887.082-1 .156-1.922.195-2.71l.11-2.247-2.012-.992a43.294 43.294 0 0 0-5.648-2.305l-2.11-.695-1.496 1.64c-.566.622-1.21 1.387-1.91 2.216-1.496 1.773-5.46 6.476-7.035 6.574-1.598-.082-5.578-4.809-7.078-6.586-.696-.824-1.336-1.586-1.903-2.203l-1.496-1.64-2.105.694a43.447 43.447 0 0 0-5.652 2.305l-2.012.992.105 2.246c.04.79.114 1.72.196 2.723.195 2.379.714 8.691-.383 9.89-.008.008-.758.704-4.285.704-2 0-4.176-.215-6.102-.406a121.34 121.34 0 0 0-2.394-.22l-2.235-.163-1.047 1.98a39.336 39.336 0 0 0-2.347 5.324l-.782 2.215 1.782 1.528c.449.379.957.804 1.507 1.257 1.852 1.536 7.497 6.215 7.497 8.082 0 2.11-6.2 6.97-8.239 8.567l-2.922 2.316.707 2.242a38.961 38.961 0 0 0 2.004 5.059l1.059 2.219 3.117-.375c2.121-.262 5.027-.613 7.645-.613 4.007 0 4.941.816 5.035.906 1.164 1.168 1.21 5.625.125 13.246l-.387 2.754 2.18 1.11a38.937 38.937 0 0 0 4.785 2.03l2.379.828 1.5-2.023c6.16-8.3 8.746-9.539 9.734-9.539.992 0 3.574 1.238 9.742 9.54l1.496 2.019 2.38-.825a39.195 39.195 0 0 0 4.785-2.03l2.171-1.263-.355-2.433c-1.133-7.711-1.106-12.227.086-13.414.094-.09 1.023-.91 5.035-.91 2.61 0 5.516.355 7.64.613l3.141.375 1.059-2.219a38.38 38.38 0 0 0 2-5.058l.703-2.243zm-11.621 4.004c-4.75 0-7.89.926-9.879 2.914-3.281 3.281-3.262 9.289-2.492 15.73-3.895-4.918-8.278-9.332-12.969-9.332-4.695 0-9.086 4.422-12.976 9.344.746-6.383.789-12.453-2.5-15.742-1.993-1.988-5.13-2.914-9.88-2.914-2.085 0-4.23.183-6.113.387 5.192-4.149 9.59-8.301 9.59-12.95 0-4.578-4.273-8.605-9.527-12.984.031-.066.058-.133.09-.2 1.964.196 4.398.434 6.71.434 2.754 0 6.7-.28 9.137-2.718 3.332-3.36 2.793-9.973 2.36-15.286a3.437 3.437 0 0 0-.02-.199c.192-.082.383-.16.574-.234.082.094.164.191.243.289 3.39 4.02 7.609 9.02 12.312 9.02 4.684 0 8.895-4.997 12.277-9.008l.254-.301c.192.074.383.152.57.234l-.011.192c-.438 5.316-.977 11.937 2.36 15.273 2.425 2.441 6.374 2.727 9.132 2.727 2.281 0 4.59-.223 6.629-.418l.102-.012c.03.07.062.137.09.207-5.255 4.379-9.524 8.406-9.524 12.984 0 4.649 4.398 8.801 9.59 12.95-1.887-.204-4.035-.387-6.13-.387zm0 0"
/>
<path
fill="#4a555f"
d="M443.04 116.754c-8.231 0-14.93 6.695-14.93 14.93s6.699 14.933 14.93 14.933c8.233 0 14.933-6.699 14.933-14.933 0-8.23-6.7-14.93-14.934-14.93zm0 23.016c-4.454 0-8.083-3.63-8.083-8.086 0-4.457 3.629-8.082 8.082-8.082 4.457 0 8.086 3.625 8.086 8.082 0 4.457-3.629 8.086-8.086 8.086zM71.629 197.063c-35.719 0-64.781-29.06-64.781-64.778s29.062-64.777 64.78-64.777c19.087 0 37.118 8.375 49.47 22.976l5.226-4.421c-13.652-16.149-33.59-25.407-54.695-25.407C32.133 60.656 0 92.79 0 132.286s32.133 71.628 71.629 71.628c21.105 0 41.043-9.262 54.695-25.406l-5.226-4.422c-12.352 14.601-30.383 22.976-49.47 22.976zm0 0"
/>
<path
fill="#4a555f"
d="m121.957 69.578-1.477 16.77h-16.054v6.847h22.328l2.027-23.015zM440.371 60.656c-21.105 0-41.043 9.258-54.695 25.407l5.226 4.421c12.352-14.601 30.383-22.976 49.47-22.976 35.718 0 64.78 29.058 64.78 64.777s-29.058 64.778-64.78 64.778c-19.087 0-37.118-8.375-49.47-22.977l-5.226 4.422c13.652 16.144 33.594 25.406 54.695 25.406 39.496 0 71.629-32.133 71.629-71.629s-32.133-71.629-71.629-71.629zm0 0"
/>
<path
fill="#4a555f"
d="m391.52 86.348-1.48-16.77-6.821.602 2.027 23.015h22.328v-6.847zm0 0"
/>
</svg>
More icons in the same style and category