The answer is most likely the second one
The recurrence of words and phrases for a specific effect
A collaborative discussion is a group of people identifying factors in an issue. To evaluate a collaborative discussion may include the following factors: the discussion must include others; develop a sense of audience that others will be scrutinizing your information; learning about writing conventions with peers; focusing on readers' expectations and not just rules; improving the writer's analysis techniques; being able to answers others' questions about material; improving their prose by teaching it to others.
Anything possibly from what they think they understand from the excerpt
In Native American stories, the salmon often represented the creator, the one who teaches humans to “live” (Overview: 'The Powwow at the End of the World'.
