To scientists, a theory is an explanation of some feature of the world that meets three requirements: it is supported by evidence, is testable and falsifiable, and can be used to make predictions. As the first requirement shows, âtheoryâ in scientific use does not mean âguessâ or anything similar.
Look up ordinance in Wiktionary, the free dictionary. A local ordinance is a law usually found in a code of laws for a political division smaller than a state or nation, i.e., a local government such as a municipality, county, parish, prefecture, etc. 1  1 United States.  1.1 Alabama.
A law about parking enacted by local government is an example of an ordinance. 1  a direction or command of an authoritative nature. 2  that which is held to be a decree of fate or of a deity.  an established or prescribed practice or usage, esp. a religious rite.