Ключевые слова: app, application, around, arrow, badge, business, circle, circular, cycle, design, development, flat, flow, icons, idea, illustration, information, iteration, iterative, management, marketing, method, mobile, modern, object, paper, programming, recurrence, reiterative, repeat, research, reset, restart, return, rotation, seo, set, shadow, spiral, strategy, symbol, system, usability, web, work, workflow, working optimization,