Several editing options are available from the Assemblies menu on the menu bar. These allow you to create and modify references, change their orientation/location, edit parts, and modify the representation/display of part references. You are also able to manage their properties.

Selecting Assemblies displays the submenu shown below:

Create Reference
Rename Reference
Delete Reference
Convert to Reference
Discover Assembly
Change Orientation
Change Location
Change Rotation
Change Referenced Part
Edit Parts
Edit Parts In-Context
End In-Context Editing
Hide/Unhide
Suppress/Unsuppress
Lightweight
Include Detail Entities
Transparency
Toggle Exploded Position
Set Exploded Position
Export Hierarchy
Update References
Make All Refs Absolute
Make All Refs Relative
Substitute Part References
Pack
Unpack
Export
Properties