Ключевые слова: american, arrow, ball, boy, chalk, chalkboard, children, coach, competition, concept, diagram, drawing, education, explanation, field, football, fun, game, goal, grass, green, group, happiness, junior, league, manager, match, notes, outdoors, pitch, plan, play, player, players, practice, recording, scheme, school, soccer, sport, strategy, tablet, tactics, team, teamwork, together, tournament, training, young, youth,