A description of the interactions and interrelations among different actors of the session. Note that this description concerns the set of actors as a whole – information about specific actors should be described by means of Actor . Descriptions (see Section 2.4.1.4).

Figure 2.29. Actors descriptions

See Section A.1 for instructions on how to fill in a Descriptions schema. Remember: The field Language refers to the language in which the description is written - not to the language under investigation.