Categories defined on the Groups tab in the Table Properties dialog box to group table data. You can use table groups to collect like items together within a parts list or table that is placed on sheets other than the active sheet using the automated table sheet workflow.
You can define a group heading for each table group. For example, you can create groups and define group headings for:
Documentation
Packages
Materials
Manufactured Parts
Standard Parts
Parts
Subassemblies
To learn more, see Grouping data in tables.