# Reference

Look up the fields and statuses of tools, machines, pick lists, and return lists.

Source: https://support.toolingmetrics.com/en/production/reference/

- [Tools](https://support.toolingmetrics.com/en/production/reference/tools.md): Tool record fields, status and condition values, tabs, and commands.
- [Pick lists](https://support.toolingmetrics.com/en/production/reference/pick-lists.md): Pick list fields, status flow, and line status values.
- [Return lists](https://support.toolingmetrics.com/en/production/reference/return-lists.md): Return list fields, status flow, and line status values.
- [Machines](https://support.toolingmetrics.com/en/production/reference/machines.md): Machine document fields, components, tool crib, and interfaces.