A return or reinstatement to a previous state, position, or condition—coming back or reverting (e.g., returning to a job or team).
病気療養の後、彼は職場に復帰した。
After medical treatment, he returned to work.
選手は怪我から復帰してチームに貢献した。
The player returned from injury and contributed to the team.
管理者は再編成の後に元の役職へ復帰した。
The manager was reinstated to his original position after the reorganization.
In computing, 'return' can mean carriage return (moving the cursor to the beginning of a line / newline)—a specialized technical usage.
このテキストエディタでは復帰キーで行頭に戻る。
In this text editor, the return key moves the cursor to the start of the line.
古い端末では復帰（キャリッジリターン）と改行を別々に扱っていた。
On older terminals, carriage return and line feed were handled separately.