The value consists of a quote enclosed synonym text, a scope identifier, an optional synonym type name, and an optional dbxref list, like this: synonym: "The other white meat" EXACT MARKETING_SLOGAN [MEAT:00324, BACONBASE:03021] The synonym scope may be one of four values: EXACT, BROAD, NARROW, RELATED. If the first form is used to specify a synonym, the scope is assumed to be RELATED. The synonym type must be the id of a synonym type defined by a synonymtypedef line in the header. If the synonym type has a default scope, that scope is used regardless of any scope declaration given by a synonym tag. The dbxref list is formatted as specified in dbxref formatting. A term may have any number of synonyms.