Rule
Part of speech: noun
Definition: A regulation, law, guideline. A ruler; device for measuring, a straightedge, a measure. Something to keep order.
Part of speech: verb
Definition: To regulate, be in charge of, make decisions for, reign over. To excel.
Example sentence: Democracy must be built through open societies that share information. When there is information, there is enlightenment. When there is debate, there are solutions. When there is no sharing of power, no rule of law, no accountability, there is abuse, corruption, subjugation and indignation.
Decree
Part of speech: verb
Definition: To command by a decree.
Part of speech: noun
Definition: An edict or law.The judicial decision in a litigated cause rendered by a court of equity.The determination of a cause in a court of admiralty, or a court of probate.
Example sentence: You cannot set salaries by decree. At the end of the day, it doesn't work with the market. What you can make sure to do is to train workers in order to make them more efficient and demand higher salaries because of their qualifications.