Ключевые слова: 50, analysis, background, black, blackboard, board, business, calculation, chalk, chalkboard, chart, circle, concept, data, design, diagram, drawing, finance, financial, graph, graphic, handwriting, illustration, infographic, information, investment, management, market, marketing, number, part, percent, percentage, performance, pie, presentation, profit, results, round, sector, shape, sign, slice, statistics, strategy, success, symbol, template, white, work,