Info
give information on the status of the brep object. This can tell you
if the model is an inline model or if it is an external model ( in
this case you will see also the file name).
Include In Scene
if the brep object is external, include a copy inside the .rt file. Files with inline models can became very large.
External Model
if the model is internal, you can save the model in a brep file.
Save
refresh the brep file ( only for external models ).