"Grade insignia" refers to the designations or symbols used to denote rank or position within an organization or military unit. Synonyms for grade insignia include rank badges, badges of rank, insignia of rank, epaulettes, shoulder boards, shoulder marks, and collar tabs. These various terms are often specific to different military branches or countries. For example, "epaulettes" may be more commonly used in the French military, while "shoulder boards" is typical in the United States Armed Forces. Regardless of the term used, grade insignia is an essential element of military tradition and serves as a visual representation of rank and authority.