Use Case: [title]
Actor(s): [list of external actors (roles) who initiate case]
(usually human, always external, seldom substrate(op sys))
Purpose: [one phrase or sentence max]
-------------------------
Description: 
(aka overview or course)
A few paragraphs in length.
Describe a process -- usually a single sequence of actions
Alternative courses:
(Some special situation sequences may be described this way.  
See also "uses" and "extends" relations among use cases.)
-------------------------
Type: [primary|secondary|optional, 
       domain oriented|system oriented 
	 (aka business|system, abstract|concrete, essential|real, visible|hidden)
      ]
The default is primary and domain oriented.
Cross References: [to requirements functions]


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Thus we have header-body-footer layout.  A use case is max one page long.

Use Case:
Actor(s):
Purpose:
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Description:










Alternate course:







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Type:
Cross References: