Multiple things moving

Words referring to multiple things moving.

• What words refer to more than one thing moving in the same direction?
  move together move parallel
• What words refer to more than one thing moving away from each other?
  disperse thin out melt away break up spread out diverge permeate
• What words refer to more than one thing moving toward each other?
  gather collect form mass congregate converge close (v) close in on concentrate crowd in
• What words refer to more than one thing meeting?
  meet come together unite crash collide
• What words refer to the place where things come together?
  meeting point focal point focus confluence
• What words refer to more than one thing moving around in a place?
  crowd fill mill around swarm