This is defined by Wirf-Brocks and Schwartz as:
Narrative are free-form text in paragraph format. A narrative describes
the intent of the user in performing the use case, high-level actions
of the user during the use case, and refers to key concepts from the
problem domain that are involved in the use case.
The use case name must be stated as an action verb phrase. According
to Wirf-Brocks and Schwartz the strengths and weaknesses of this form
|Good for high-level summaries and intentions
Can be implementation-independent
| Easy to write at too high or too low a level
Not suitable for complex descriptions
Can be ambiguous about who does what
The use cases produced by the team at the Ministry of Economic Development
for the RSM project are a good example of this form.