Within a group, your role is defined as the way you communicate with others in your group.
The way a person behaves, the position, the way the person interacts with the rest of the members of the group determines the role that this person would perform. Leadership, expectations from the other members of the group, assignment etc.
Answer:
for time pass and entertainment
Imagery, it paint a picture of what's happening.
and
Static, just like in games and things or even TV like background characters, those are static characters.
Octavius was not a member of Rome’s first triumvirate
A function a backstory has is giving you insight on the reasons the character does what they do (aka revealing motivations)
I hope I helped!
