In RIMMF, an “element set” is the same as the '.01' template for an RDA Entity, which is sorted in Element Label order.
This opens the default 'element set' for an entity.
Follow the Detailed Steps instructions under Open a Template
These element sets may not be edited; their purpose is to provide the default templates for each entity.
If you wish to customize your preferred templates, follow the steps at “How to Customize a Template” instead.