集合

1. Origins, structure, and basic meaning

• Structure: 集合 is read as しゅうごう and means either people assembling in one place or, in mathematics, a set of elements satisfying a condition.
• Basic usage: Use 駅前へ集合する for assembling in front of a station and 点の集合 for a set of points.

2. Common pitfalls and similar expressions

• Difference between 集合 and 集会
  • The former covers the act of gathering and a mathematical set, whereas the latter is an organized meeting held for a shared purpose.