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⏪ is an emoji with two left - pointing arrows. It usually means fast - rewind, return or go backwards. For example, in operations such as video playback, audio playback or viewing file history records, this emoji can be used to indicate returning to a previous state or position.
I'm watching a video and want to go back to the previous part. ⏪ It's very convenient.
When the audio is playing, if I accidentally miss the beginning, I can click ⏪ to listen to it again.