Some useful terms and ideas from Goffman's Behavior in Public Places. Correct use of one or two of these terms can help sharpen the language of your paper.
Fitting In
Who Defines the Situation?
Limb Discipline
Presence
Focused vs. Unfocused Interaction
Presentability
Being Present vs. Being Away
Main vs. Side Involvement
Civil Inattention
Accessibility
Acquaintanceship
'The Cut'
Closure