[{"Bold_text": "noun", "List Items": ["the act of reproducing a sound or video recording, especially in order to check a recording that is newly made.", "(in a recording device) the apparatus used in producing playbacks.", "the recording so played, especially the first time it is heard or viewed after being recorded.", "the response to a suggestion, act, product, venture, etc.; feedback:The playback on the speech has been very favorable."]}]