Ключевые слова: arrows, assistance, background, biology, business, chart, coach, code, color, computer, concept, course, dark, data, development, digital, distance, drawing, drawn, education, elearning, flowchart, gray, hand, information, knowledge, learn, multicolor, online, paint, paper, plan, process, program, scheme, strategy, study, system, teach, technology, text, texture, think, trainer, training, webinar, white, word,