issue of law, rule of law, application of law, conclusion.
the way to study law. know what issue, what is the rule, then apply law to the problem, then form the conclusion.

C - State Conclusion on the issue(legal question); R - Rule of Law applied in making conclusion; E - Explanation of the Rule of Law (usually by pointing out its application by the courts in similar cases); A - Application of the Rule of Law to the facts of the present case; C - Restate conclusion as summization of the outcome derived from the Application to the present case.

This is the general & preferred format in persuasive legal writing (e.g. Trial Brief on a Motion).

When writing an objective legal document (e.g. interoffice memorandum), there may be variations in using CREAC or IRAC, depending on preference.

Continuous, open, actual, hostile. Adverse possession in American law.

Method of remembering 7 statutory grounds for long-arm jurisdiction in the State of Missouri and elsewhere. The subject is Civil Procedure. B = business transactions in the state; C = Contracts made or accepted in the state; T = Committing a Tort in the state; R = Possessing Real Estate in the state; I = Insuring a risk in the state. Sex = The act of sex in the state near the time of conception of a child. Marriage = living in marriage in the state.

Commercial Paper. Elements of a Negotiable Instrument.
S = Signed
W = Writing
U = Unconditional
P = Promise or Order to Pay
F = Fixed amount of money
O = On demand or at definite time
N = No unauthorized undertakings or instructions
O = Order or bearer

Better to make it into words you can remember.

The essentials of a contract. Ma= Mutual agreement. C= capacity. L= legality of object. Ra= reality of assent. C= consideration. S= Statute of Frauds (if it applies)