--- title: Frames Overview --- The concept of a **Frame** represents the basic building block of data in ClearML Enterprise. Two types of frames are supported: * [SingleFrames](single_frames.md) - A frame with one source. For example, one image. * [FrameGroups](frame_groups.md) - A frame with multiple sources. For example, multiple images. **SingleFrames** and **FrameGroups** contain data sources, metadata, and other data. A Frame can be added to [Datasets](dataset.md) and then modified or removed. [Versions](dataset.md#dataset-versioning) of the Datasets can be created, which enables documenting changes and reproducing data for experiments.