A large number of people who challenge established social norms and express themselves through a variety of forms of mass social and/or political action.

a collectivity acting with some continuity to promote or resist a change in the society or organization of which it is a part

a collectivity or a collective enterprise

a network of informal interactions between a plurality of individuals, groups and / or organisations, engaged in a political or cultural conflict, on the basis of a shared collective identity

a particular form of collective behaviour in which the motive to act springs from the attitude of members and the challenges of the society

An organized group that acts consciously to promote or resist change through collective action.

Social movements are a type of group action. They are large groupings of individuals and/or organizations focused on specific political or social issues, in other words, on carrying out, resisting or undoing a social change.