For the purpose of this article, a public nuisance shall be taken to mean a thing or act, committed or permitted, failure to act, occupation or use of property which:
(a) Shall annoy, injure or endanger the safety, health, comfort or repose of any number of persons;
(b) Shall offend the public decency;
(c) Shall unlawfully interfere with, obstruct or tend to obstruct or render dangerous for passage, any public park, public playground, street, alley or highway; or,
(d) Shall in any way render any number of persons insecure in life or in the use and enjoyment of their property.
(1965 Code Sec. 21-1.)