Ключевые слова: abstract, arrow, arrowheads, background, button, circle, circular, collection, concept, connection, cursor, design, designator, direction, directional, element, flat, graphic, icon, illustration, infographic, interface, isolated, loop, marker, modern, navigation, pointer, recycle, redo, refresh, reload, repeat, reset, restart, revision, rewind, rotation, round, shadow, sign, spin, symbol, synchronize, turn, ui, undo, web,