Cadency marks are used to distinguish the different branches of a family tree in a heraldic context. These marks include the label, crescent, mullet, martlet, annulet, fleur-de-lis, rose and cross. In some cases, cadency marks may also refer to the small markings at the bottom of musical staffs that indicate the rhythm of a piece. Other synonyms for cadency mark include distinction mark, difference mark, change mark or brisure. These terms are commonly used in the field of heraldry to describe the various markings used to denote the lineage of a family or the status of an individual within a particular group or organization.