General:
* Tradition: A custom or belief that has been passed down through generations.
* Custom: A usual practice or way of doing something.
* Collective action: People working together to achieve a common goal.
* Shared practice: A way of doing something that is commonly used by a group.
* Group norm: An unwritten rule or standard of behavior that is expected within a group.
* Collective knowledge: Information or skills shared by a group.
* Social contract: Implicit or explicit agreements that govern the behavior of a group.
More specific:
* Ritual: A series of actions performed in a specific order, often with religious or cultural significance.
* Collaboration: Working together to achieve a common goal.
* Teamwork: People working together in a coordinated way.
* Consensus: Agreement reached by a group through discussion and compromise.
* Shared responsibility: A sense of accountability for the group's actions and outcomes.
* Community engagement: Participation in activities that benefit the group.
* Mutual aid: Helping each other within a group.
For a specific example, please provide more context. For instance, what kind of group are you thinking of? What is the "doing" that you are referring to?