Ключевые слова: answer, assemble, assembly, attention, background, brains, build, business, challenge, clue, complete, complex, concentration, concept, connect, connection, education, entertainment, failure, finish, fulfillment, fun, genius, help, hint, hobby, idea, incomplete, intelligence, jigsaw, knowledge, logic, logical, metaphor, mind, missing, mystery, pieces, problem, process, puzzle, recreational, riddle, searching, separated, simplicity, solution, solve, solving, success, thought, together,