What is the meaning of Insignia?

A patch or other object that indicates a person's official or military rank, or membership in a group or organization.

A symbol or token of personal power, status, or office, or of an official body of government or jurisdiction.

A mark or token by which anything is known.

plural of insignium

plural of insigne

pin, badge

nominative/accusative/vocative plural of īnsigne

badge, insignia

Source: wiktionary.org