fyi for anyone who may assist me in adding a 'workspace' tab to the menu bar. My current tabs are:
File, Edit, View, Insert, Format, Tools, Draw, Dimension, Constraints, Architechture, Modify, Modes, Scripts, Options, Window, Help.
Also: Under Tools, there is a 'workspace' tab with two flyouts: 'customize' & 'UI themes'
In Customize, the Commands tab does contain the 'workspace' category & all its subcategories.
I've tried loading various standards from 'options' / Load From: but no Workspace tab appears.