What are the similarities and differences between medieval and absolutist monarchs?

Form of monarchy in which one ruler has supreme authority and where that authority is not restricted by any written laws, legislature, or customs.[3] These are often, but not always, hereditary monarchies. In contrast, in constitutional monarchies, the head of state's authority derives from and is legally bounded or restricted by a constitution or legislature.[4]

Some monarchies have weak or symbolic legislatures and other governmental bodies the monarch can alter or dissolve at will. Countries where monarchs still maintain absolute power

Its either b or c   i'm leaning towards b though i've heard of them during that time period