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 city designated by government ordinance, also known as a designated city or government ordinance city, is a Japanese city that has a population greater than 500,000 and has been designated as such by order of the Cabinet of Japan under Article 252, Section 19 of the Local Autonomy Law.