also: セクタ
General term for a sector of society, economy, or an area; used in business, government, and everyday contexts.
The public sector budget was cut.
The IT sector is growing rapidly.
disk sector
Computing term for a subdivision of a disk track; often spelled セクタ in technical contexts.
Repair bad sectors on the hard disk.
Private sector investment is supporting the economy.
A sector on the hard disk got corrupted, and the data became unreadable.
We analyze the market by dividing it into several sectors.
The growth rate differs by sector.