(a) For the purposes of this section, the term "loiter" shall include, but is not restricted to, standing, lounging, sitting, lying or strolling about idly, whether alone or in company with other loiterers.
(b) No person shall loiter on any of the sidewalks, streets, public places or vacant lots, or in public buildings or the entranceways thereof, or in or upon other places open to the public, and there conduct himself in a manner annoying to persons passing by or occupants of adjacent buildings; or shall insult, threaten, intimidate or in any manner interfere with, or impede the progress of, any other person then and there conducting himself in a lawful and orderly manner.
(c) Any person who loiters on any of the sidewalks, streets, public places or vacant lots, or in public buildings or the entranceways thereof, or in or upon other places open to the public who is ordered by a person then and there in charge of such building or place, or who is ordered by a police office, to depart therefrom shall obey such order forthwith.
(d) No person, not the owner or tenant of any premises within the City, shall enter after dark and loiter or sleep therein without the consent of such owner or tenant.
(e) This section shall not apply to any person or assembly of persons waiting, assembled or standing in line in an orderly manner for any lawful purpose incident to the building or other place mentioned in this section, nor shall it be construed to restrict the right to lawful assembly, picketing, public speaking or other lawful means of expressing public opinion not in contravention of other laws or ordinances. (1976 Code Sec. 13-31)