The Constitution of the Crown can best be described as

the Provisions of Oxford, which serve as the constitution for England.
one singular document known as the Magna Carta, which was passed in 1215.
a collection of documents and legal precedent that make up rule of law in England.
a set of laws that regulates the power of the king and grants rights to citizens.

a set of laws that regulates the power of the king and grants rights to citizens.