This is the 5966th most frequent Russian word.
сектор
"Sector" - a distinct part or area, often of a field, activity, or circle.
Here, 'сектор' is used to describe a broad operational domain within an economy, indicating a specific industry or type of economic activities.
Экономический сектор страны значительно вырос за последние годы.
The economic sector of the country has grown significantly in recent years.
Here, 'сектор' is used in a mathematical or geometrical context to denote a specific part of a circular area.
В геометрии сектор — это часть круга, ограниченная двумя радиусами и дугой.
In geometry, a sector is a part of a circle bounded by two radii and an arc.
In this sentence, 'сектор' refers to a designated section or area for seating within a larger venue.