Ключевые слова: abstract, abstracts, achievement, advertise, backdrop, background, backgrounds, choices, color, combined, concept, concepts, conceptual, connect, connection, connective, decision, decisions, element, elements, falling, form, game, games, graphical, jigsaw, jigsaws, leader, leadership, link, links, lost, managed, managing, metaphor, missed, missing, mixed, object, one, pattern, piece, pieces, player, players, playing, problems, puzzle, puzzles, puzzling, regular, school, solution, solutions, strategies, strategy, success, successful, texture, textures, together, toy, toys, unique, uniqueness, winner, working,