Ключевые слова: action, activity, attack, ball, basketball, board, chalkboard, clip, clipboard, club, coach, concept, defense, drawing, education, empty, equipment, exercise, futsal, game, handball, high school volleyball, hockey, idea, match, mockup, pen, plan, play, practice, professional, referee, scheme, school, score, serve, set, sheet, skill, soccer, sport, strategy, tactical, team, training, volley, volleyball, win,