> For the complete documentation index, see [llms.txt](https://docs.scenic.tools/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.scenic.tools/guide/relations.md).

# Relations

Internally, individual Fixtures can access data of other fixtures, groups and more. This allows to create blocks that use this information in practical and creative ways.

For instance, copy over content from one Fixture for further processing with the Source.Copycat block.

![](/files/-M7SWVnEDz4CQppAkMgV)

Or create volumetric behaviors based on distances or maybe relative positions among a group.

![](/files/-M7SX7fta4DxwYamPENn)