Ключевые слова: analysis, arrow, background, blackboard, board, business, chalk, chalkboard, choice, classroom, color, colored, colorful, colour, company, comparison, competitive, cons, creative, design, element, figure, fresh, function, graphic, green, illustration, infographics, information, line, modern, no, option, plan, presentation, promote, pros, pros and cons, school, selection, sign, simple, site, style, template, visualization, web, website, yes,