General Definition:
1. Of a number of upright things (e.g., poles, posts) or of standing people, be to arranged in a circle, or any thing or any activity directly or indirectly associated with this.
As a Noun:
1. A number of people who are all together for some reason.
2. A group of people who work together at a specific job, often in a particular place. English = unit, team.
Note:
1. The most common and general sign for a "group of people" is shown if you search for the keyword "group".