sentences:  The term can be used also by the insider or "emic" performer as an acknowledgement that this activity can be seen as such by the uninitiated onlooker.In psychology, the term "ritual" is sometimes used in a technical sense for a repetitive behavior systematically used by a person to neutralize or prevent anxiety; it can be a symptom of obsessive–compulsive disorder but obsessive-compulsive ritualistic behaviors are generally isolated activities.The English word "ritual" derives from the Latin "ritualis," "that which pertains to rite "(ritus")".