Scope (noun)

1. The extent of the area or subject matter that something deals with or to which it is relevant.
2. The opportunity or possibility to do or deal with something.
3. An instrument for observing distant objects, typically in the form of a telescope or microscope.

Origin:

Mid 16th century (originally denoting an instrument for viewing distant objects): from latin scopium 'observation, viewing instrument', from scopae 'observers, spies', from scopare 'to view', of unknown origin.

Examples:

1. The scope of the study was limited to five cities.
2. The scope of his authority extends over the entire company.
3. The scope of her vision included the entire valley below.
4. The new project offers a great scope for personal growth and development.
5. The astronomer adjusted the scope to get a better view of the star.