# Label sequences of data

Segments.ai allows you to upload [a sequence](/background/sequences.md) of data as one [sample](/background/main-concepts.md#sample). This way, a single labeler can efficiently label a whole sequence of data. This workflow also allows you to obtain consistent IDs across frames, which is useful for tracking applications. To speed up labeling, you can use keyframe interpolation.

This section contains how-to guides explaining these features in more detail:

* [Use track IDs in sequences](/how-to-annotate/label-sequences-of-data/use-track-ids-in-sequences.md)
* [Use keyframe interpolation](/how-to-annotate/label-sequences-of-data/use-keyframe-interpolation.md)


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