'Jié àn' literally combines 'jié' (to conclude, settle, or end) and 'àn' (case, file, or matter), meaning 'to close a case'—typically in legal, administrative, or investigative contexts. It signifies the formal termination of an official process after all necessary procedures, evidence review, and decisions have been completed. The term implies finality and official documentation, not just informal resolution.

This verb is commonly used in law enforcement, judicial systems, government agencies, and sometimes in corporate compliance or internal investigations. It often appears in formal reports, news headlines, or official announcements. While it can apply to civil, criminal, or administrative cases, it is rarely used for personal or casual disputes. The action usually follows investigation, hearings, or negotiations and precedes archiving or public disclosure of outcomes.