"Subtitles are text derived from either a transcript or screenplay of the dialogue or commentary in films, television programs, video games, and the like, usually displayed ...
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at the bottom of the screen, but can also be at the top of the screen if there is already text at the bottom of the screen. They can either be a form of written translation of a dialogue in a foreign language, or a written rendering of the dialogue in the same language, with or without added information to help viewers who are deaf or hard-of-hearing, who cannot understand the spoken language, or who have accent recognition problems to follow the dialogue." - (en.wikipedia.org 08.08.2021)