Making Definitions
Definitions can be used to explain concepts that would otherwise be ambiguous for a reader. Made definitions can be used in plain text, rationales or requirements.
The definition is made but never used.
The author has made a definition that is never used. A definition needs to be used at least once, in plain text elements or in requirement text elements.
The definition is already made.
The definition has already been made in the Definitions chapter in the Specification.