Billboard means a public display used to advertise, including:
Television means a system for transmitting visual images and sound that are reproduced on screens, and includes broadcast, cable, on-demand, satellite, or internet programming. Television includes any video programming downloaded or streamed via the internet.
Playground means a public outdoor recreation area for children, usually equipped with swings, slides, and other playground equipment, owned and/or managed by a city, county, state, or federal government.
Channel means a natural or artificial watercourse with a definite bed and banks that conducts continuously or periodically flowing water.
Radio means a system for transmitting sound without visual images, and includes broadcast, cable, on-demand, satellite, or internet programming. Radio includes any audio programming downloaded or streamed via the internet.