scope

Coastie yanked her eye away from the night scope when those big lights were caught by it and amplified in intensity. Her entire view had gone white in an instant. “I can't see!” Temporarily blinded, she let touch become her primary sense, dropped the M40, and grabbed her alternate weapon, an M16 with an ACOG day scope that was already registered for the same distance.

It is also true that the vast majority of teachers are highly skilled and experienced professionals who are already doing an excellent job in the classroom, thus leaving relatively little scope for improvement.

A variable's scope is the region of a program within which the variable can be referred to by its simple name. Secondarily, scope also determines when the system creates and destroys memory for the variable. Scope is distinct from visibility, which applies only to member variables and determines whether the variable can be used from outside of the class within which it is declared.

the scope of an adverb