4 Del. Admin. Code § 704-2.0
"Patio" means deck or porch, covered, uncovered, raised or at grade, and must be attached to, and contiguous with the licensed premises.
"Premises" means the building or buildings identified by a single address number or lease space number, to which a license to sell alcoholic liquors for consumption "on" or "off" has been issued by the Commissioner, but shall not include the surrounding grounds, parking lot, ancillary structures, contiguous water, still or moving, or piers, floating docks or buildings, patios covered or uncovered, or any other structure, modular or mobile home attached or connected to the licensed establishment by electrical, water, sewer or heating/air conditioning systems.
"Wet Bar" means any fixed or portable, permanent or temporary, point of service for sale, delivery or service of alcoholic beverages.
4 Del. Admin. Code § 704-2.0