Meaning : A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography).
Example :
It was a mountainous area.
Bible country.
Synonyms : country
Meaning : A subject of study.
Example :
It was his area of specialization.
Areas of interest include....
Meaning : A part of an animal that has a special function or is supplied by a given artery or nerve.
Example :
In the abdominal region.
Synonyms : region
Meaning : A part of a structure having some specific characteristic or function.
Example :
The spacious cooking area provided plenty of room for servants.
Meaning : The extent of a 2-dimensional surface enclosed within a boundary.
Example :
The area of a rectangle.
It was about 500 square feet in area.
Synonyms : expanse, surface area