Help > Authoring > Using Markup > Using Entities > Text Entities > Inserting Text Entities
  
Inserting Text Entities
1. Place the cursor where you want to insert the text entity.
2. Choose Entities > Text.
3. Choose an entity from the list. Only entities that are in context at the insertion point will be displayed in this list.
4. Click Insert. The rectangular entity markup icon appears at the cursor location, or as text, if View > Text Entities has been selected.