Keep someone in the loop

Meaning

Maintain engagement through communication.

Usage

Used for reminders about transparent updates.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Suggests a circular chain of communication with no gaps.

Corporate jargon from mid-20th century organizational charts.