共通

1. Origins, structure, and basic meaning

• Structure: Written 共通 and read きょうつう, it describes a feature, issue, or element shared by two or more subjects.
• Basic usage: It appears in the low cost common to two proposals and concerns shared among participants.

2. Common pitfalls and similar expressions

• Shared part, not total identity
  • The subjects need not be identical; only a specified characteristic is held in common.