It is an official order, presented by the President or Governor, it is a legal but not a part of Law?

It is an official order, presented by the President or Governor, it is a legal but not a part of Law?
(a) Law
(b) Act
(c) Ordinance
(d) All of above
✅ Ordinance
Explanation: An ordinance is a temporary law issued by the President or Governor, not passed by the legislature.