Ключевые слова: 360, ab, arrow, b, bar, board, button, chart, column, comma, corona, coronavirus, covid, covid19, danger, decrease, degree, diagram, discussion, flat, full, graph, growth, hand, icon, line, panorama, phone, presentation, process, quiz, quote, reality, report, rotate, rotation, science, screen, sign, simulation, symbol, test, testing, ui, usability, view, virtual, virus, web,