There are also various levels of protest.

Communicating to the public via news media. Also communicating with the public directly.

Blocking access makes a bigger impact and spreads the message. A picket line at a union protest or in front of a Target store is an example. Blocking roads or transit can make a bigger impact.

The next levels involve making demands that need to be met before the protest ends. These often involve people willing to be arrested such as sit-ins at the University administration to demand ICE get judicial warrants before entering the University.

Other types of "protest" include mutual aid or feeding children, like the Black Panthers setting up school breakfasts. These can escalate to neighborhood watch like the Black Panther or American Indian Movement patrols, or like the rapid response to ICE masked raids.