The terms freedom of assembly and freedom of association may be used to distinguish between the freedom to assemble in public places and the freedom to join an association. Freedom of assembly is often used in the context of the right to protest, while freedom of association is used in the context of labor rights and in the Constitution of the United States is interpreted to mean both the freedom to assemble and the freedom to join an association.[2][not in citation given]
The United States Constitution explicitly provides for 'the right of the people peaceably to assemble, and to petition the Government for a redress of grievances' in the First Amendment.
Common constraints on the right to assemble are a class of time, place and manner regulations. A second type of constraint is the requirement to obtain a permit, where coordination may be needed to ensure public safety.