Member churches of the Anglican Communion are often referred to as provinces. Some provinces are coterminous with the boundaries of political states, some include multiple nations while others include only parts of a nation. Some, such as the Church of the Province of West Africa, have the word "province" in their names. These member churches are known as "provinces of the Anglican Communion," and are headed by a primate, who is usually also styled archbishop, but may have an alternative title such as primus (for example, the Primus of the Scottish Episcopal Church), presiding bishop, or moderator.