Costco's warehouses present one of the largest and most exclusive product category selections to be found under a single roof.
Guild (verb). an association of men belonging to the same class, or engaged in kindred pursuits, formed for mutual aid and protection; a business fraternity or corporation; as, the Stationers' Guild; the Ironmongers' Guild. They were originally licensed by the government, and endowed with special privileges and authority.
term of art. noun. 1. a word or phrase that has a specific or precise meaning within a given discipline or field and might have a different meaning in common usage: Set is a term of art used by mathematicians, and burden of proof is a term of art used by lawyers. Also called word of art.