(a)  Australian law is typically divided into “areas” or “categories” of law, such as contract law, tort law and property law.

(b)  Legal concepts are the broad ideas that determine the nature and scope of a category of law.

(c)   Legal principles are the ethical considerations that are used to decide whether legal rules are morally justified or not.

(d)   Legal rules specify the particular requirements that apply in given situations, or lay down what should happen in given circumstances.