scope

noun:the extent of the area or subject matter that something deals with or to which it is relevant
- These issues were outside the scope of the article.
noun:the opportunity or possibility to do or deal with something
- The extra money will give us the scope to improve our facilities.
verb:to look at or examine something carefully or thoroughly
- He scoped the room for potential exits before the meeting began.
noun:a viewing instrument such as a telescope, microscope, or gunsight
- The sniper peered through the scope to locate his target.