the notion of scope 

the scope of an operator is the domain within which it has the ability to affect the interpretation of other expressions. : a member of 3s and a large man. boys are to wear a simple black belt. the team improved on their previous year's 6–5–1 record, winning seven games. the average annual catch during this period has usually been between 150 and 190 whales. the project grew so popular that he organized the tuxedo club and the tuxedo park association, and surrounded the property with a high game fence. 