Cal. HSC § 11530

As used in this subdivision, the following terms have the following meanings: (a) “Loiter” means to delay or linger without a lawful purpose for being on the property and for the purpose of committing a crime as opportunity may be discovered. (b) “Public place” means an area open to the public or exposed to public view and includes streets, sidewalks, bridges, alleys, plazas, parks, driveways, parking lots, automobiles, whether moving or not, and buildings open to the general public, including those which serve food or drink, or provide entertainment, and the doorways and entrances to buildings or dwellings and the grounds enclosing them.