Ключевые слова: 3d, action, again, back, backward, board, check, checking, clapper, communicate, communication, confirm, confirmation, doover, evidence, film, hindsight, history, illustration, instant, instantly, movie, perspective, proof, prove, proving, reaction, redo, repeat, repetitive, replay, review, rewatch, rewind, tv, uncertain, undo, video, watch, word, words,