sector

Pie chart slice

A sector is a distinct part or division of something larger.

In geometry, it's the wedge-shaped portion of a circle between two radii.

In economics and planning, sector divides activity into categories: the private sector, the public sector, the financial sector.

Military and administrative uses denote geographic zones: Troops secured the northern sector.

The word implies bounded segments within a whole.

geographic

district

Bounded administrative area

precinct · neighborhood · territory · region · area · bloc · corridor · belt · enclave · jurisdiction

circular

arc

Curved line segment

segment · radial · angle · pie · chart · graph · circle · portion · division · degree

military

front

Forward-facing side

perimeter · defensive · offensive · patrol · reconnaissance · command · operations · tactical · strategic · garrison

division

segment

Distinct part of whole

subdivision · partition · quadrant · arc · wedge · component · fraction · tranche · allocation · breakdown

economic

industry

Economic production sector

banking · agriculture · manufacturing · technology · healthcare · energy · retail · services · commerce · trade

storage

disk

Flat circular object

track · block · cluster · allocation · read · write · bad · formatted · magnetic · platter

Categories
Opposites
part vs. whole

sectorwhole

Full and undivided

entirety · totality · aggregate · full circle · sum total

division vs. unity

sectorcontinuum

Uninterrupted, gradual sequence

monolith · unity · integration

Phrases
Family

insect, section, sect, dissect, bisect, intersect, sectors, sectoral, bisector

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G