area

nouns

a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
"it was a mountainous area"; "Bible country"
area, country
is derived from
areal
a subject of study
"it was his area of specialization"; "areas of interest include..."
area
is a type of (narrower)
some situation or event that is thought about
"he kept drifting off the topic"; "he had been thinking about the subject for several years"; "it is a matter for the police"
issue, matter, subject, topic
a part of an animal that has a special function or is supplied by a given artery or nerve
"in the abdominal region"
area, region
a particular environment or walk of life
"his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit"
area, arena, domain, field, orbit, sphere
a part of a structure having some specific characteristic or function
"the spacious cooking area provided plenty of room for servants"
area
is a type of (narrower)
a thing constructed; a complex entity constructed of many parts
"the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
construction, structure
the extent of a 2-dimensional surface enclosed within a boundary
"the area of a rectangle"; "it was about 500 square feet in area"
area, expanse, surface area
is derived from
areal