Answer:
Montages:
Speed up time.
Convey a lot of information at once.
Heighten tension.
Compare and contrast.
In Common:
Quick cuts.
No dialogue. This isn't necessarily in all montages, but most don't have words.
Voice-over narration.
Juxtaposition:
the fact of two things being seen or placed close together with contrasting effect.
Superimposing:
place or lay (one thing) over another, typically so that both are still evident
Exposition:
a comprehensive description and explanation of an idea or theory.
Falling Action:
a comprehensive description and explanation of an idea or theory.