Pursuant to Sec. 14.2.2.A.2. (Uncovered), uncovered is defined as an instance where 25 percent or more of a space or structure's area is open to the sky. Areas containing overhead, non-solid structures, such as lattice and pergolas, may be considered uncovered provided that 25 percent or more of their area is open to the sky.

Underground parking is defined as motor vehicle use areas located below the finished floor elevation of the ground story.

Pursuant to Sec. 14.2.5.A.1.j. (Underground Structures), underground structure is defined as a covered structure located entirely below finished grade. Examples of underground structures include, but are not limited to: cellars, basements, underground parking structures, stormwater storages, or cisterns.

Pursuant to Sec. 14.2.4.A.2. (Unenclosed), unenclosed is defined as an instance when the perimeter of a space has an enclosure of less than 66.7 percent.

Unified development is defined as a development consisting of multiple lots within a common site plan which is unified by a combination of functional linkages, such as pedestrian or vehicular connections, common architectural and landscape features which constitute distinctive design elements of the development, and when viewed from adjoining streets appears to be a consolidated whole. A unified development may include lots that abut or are separated only by an alley or are located across the street from any portion of each other. See Sec. 14.2.1. (Lot) for clarification on lot ties.

Uniformity ratio is defined as a ratio of the average illumination to minimum illumination.

Pursuant to Sec. 14.2.10.D. (Upper Story), upper story is defined as any story of a building located above the ground story.

Pursuant to Sec. 14.2.10.E. (Upper Story Facade), upper story facade is defined as the portions of the exterior building envelope at the perimeter of each upper story for the full height of the story.

Pursuant to Sec. 3D.5.2. (Upper Story Height), upper story height is defined as the floor-to-floor height of any story of a building located above the ground story.

Pursuant to Sec. 8.2.4.B.3.b. (Urbanized Area), urbanized area is defined as all land in the City, except land in the Heavy Industrial 1 Use District, and land which has been determined to be non-urbanized area by the City Planning Commission or City Council, or land located in the Los Angeles City Oil Field Area.

Use is defined as the purpose for which land or a building is arranged, designed, or intended, or for which land or a building is, or may be, occupied or maintained.

Use category is defined as a group of use groups.

Use District is defined as the fourth component in a zone string established in Part 5B. (Use Districts), which regulates land uses by assigning permission levels for defined uses as well as citing applicable performance standards, supplemental procedures for conditional uses, and special use programs.

Use District table is defined as a table provided for each Use District established in Part 5B. (Use Districts) that contains a list of uses and their assigned permission levels, along with any applicable performance standards, conditional use procedures, and special use programs that apply to uses within a Use District.

Use group is defined as a group of individual uses with common use characteristics and similar activities.

Pursuant to Sec. 14.2.15.B.6. (Use Modification), use modification is defined as a change of use or an intensification of use.

Pursuant to Sec. 13B.10.4. (Annual Inspection Monitoring (Type 2)), used vehicle sales area is defined as an area or lot where any type of used motor vehicle or trailer is displayed for sale.

Pursuant to Sec. 5D.3.11. (Utilities), utilities is defined as utility infrastructure as a primary use of land, necessary for the public provision of services such as water, sewer, power, or communications. For the purposes of this definition, utilities uses exclude the following off-site systems: transmission lines, pipes, or other systems for conveying and transmitting services within utility easements, as those systems are not regulated as a use of land by Article 5. (Use).

Pursuant to Sec. 5D.3.11.B. (Utilities: Major), utilities: major is defined as utility infrastructure that requires significant health, safety, and environmental precautions due to potential adverse impacts immediate surroundings, and requires on-site personnel. Utilities: major include non-solar power generation facilities, wastewater treatment, and water supply treatment.

Pursuant to Sec. 5D.3.11.A. (Utilities: Minor), utilities: minor is defined as utility infrastructure that does not require significant health, safety, and environmental precautions, and do not require on-site personnel. Utilities: minor includes renewable energy generation, including wind turbines, geothermal systems, and solar photovoltaic systems serving no more than 10 different lots with supporting on-site storage, control and transmission equipment, storm water retention or detention ponds, aeration and septic systems, reservoirs, lift stations, water supply wells and water tanks or towers, telecommunications switching facilities, and electrical substations.

Pursuant to Sec. 5D.3.11.C. (Utilities: Solar Energy Facility), utilities: solar energy facility is defined as utility infrastructure that generates energy for the general public using a solar photovoltaic system primarily for off-site use or sale serving 11 or more lots.

Pursuant to Sec. 5D.3.11.D. (Utilities: Wireless Facility, Freestanding), utilities: wireless facility, freestanding is defined as a freestanding device or system including a monopole, tower, or antenna for the transmitting or receiving of electromagnetic signals, including, but not limited to, radio waves and microwaves, for cellular technology, personal communications services, mobile services, paging systems and related technologies. Facilities include antennas, microwave dishes, parabolic antennas and all other types of equipment used in the transmission and reception of such signals; structures for the support of such facilities, associated buildings or cabinets to house support equipment, and other accessory structures or development. A utilities: wireless facility, freestanding is a type of telecommunications facility.

Pursuant to Sec. 5D.3.11.E. (Utilities: Wireless Facility, Rooftop), utilities: wireless facility, rooftop is defined as a device or system that is mounted on a building or structure rooftop for the transmitting or receiving of electromagnetic signals, including, but not limited to, radio waves and microwaves, for cellular technology, personal communications services, mobile services, private antennas, paging systems and related technologies. Facilities include antennas, microwave dishes, parabolic antennas and all other types of equipment used in the transmission and reception of such signals; structures for the support of such facilities, associated buildings or cabinets to house support equipment, and other accessory structures or development. A utilities: wireless facility, rooftop is a type of telecommunications facility.

Utility area is defined as any area containing mechanical equipment or utility equipment.

Pursuant to Sec. 14.2.5.A.1.i. (Utility Equipment), utility equipment is defined as equipment related to publicly-operated or utility-operated systems, including their related wires, conduits and pipes. Examples of utility equipment include, but are not limited to: hydrants, transformers, utility cabinets, water utility devices, cable television boxes, Internet boxes, or phone boxes.