Glossary

Liminal - refers to "in-between" actions or behaviors, such as initiation rituals.
Restored behavior – physical, verbal, or virtual actions that are not for the first time; that are prepared or rehearsed. A person may not be aware that she is performing a strip of restored behavior. Also referred to as twice behaved behavior.
Ritual - collective memories encoded into actions
 
Source: Performance Studies: An Introduction  by Richard Schechner