The Tools | Project Options | Types tab as below:
This tab allows users to define requirement types.
•Type
Name of requirement type.
•Description
Description of requirement type.
•Note
Notes for requirement type.
•Up, Down Buttons
Buttons to move the requirement type up or down in the list.
•New, Save, Delete Buttons
Buttons to create/save/delete requirement type.
•Add EA Extended Requirement Types
This option adds Requirement types corresponding to Requirement Elements in ・gExtended Requirements・h of the EA Requirements Toolbox.
Types can not be deleted if they are used in the Status and Initial Values tab or requirements.