an instruction that says what is or is not allowed in a given situation or while playing a game

something regarded as a normative example

a detailed principle that clarifies what one should do in a particular situation or circumstance

(linguistics) a rule describing (or prescribing) a linguistic practice

a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct

a rule or law concerning a natural phenomenon or the function of a complex system

(mathematics) a standard procedure for solving a class of mathematical problems

directions that define the way a game or sport is to be conducted

any one of a systematic body of regulations defining the way of life of members of a religious order

dominance or power through legal authority

the duration of a monarch's or government's power

decide with authority

be larger in number, quantity, power, status or importance

to make an official decision about something

keep in check

mark or draw with a ruler

have an affinity with; of signs of the zodiac