The purpose of a castle is defense. The higher a castle more land can be seen from the ramparts, therefore, if any enemy is approaching they will be seen sooner. Another advantage is that it can better be seen from a distance and that is a show of power.
Medieval castles.
Medieval castles were neither good nor bad; they simply were. They were defensive fortifications within which the inhabitants could defend against invaders and from which the owner of the castle could impose his rule on the surrounding countryside. Today, the surviving medieval castles are good tourist attractions.
There is nothing different between todays castles and medieval time castles. Today's castles were built in medieval times.
The welsh medieval castles were big and gray.
Medieval times
in the late medieval period many medieval castles did have a primitive type of cannon.
Castles were invented in medieval times.
There are no genuine medieval castles in the USA, because the Americas were not discovered until after the medieval period had ended. There are the "fairytale" Disney castles and some modern attempts at reconstructing medieval castles, but no genuine ones.
Who is most important in medieval history - kings and emperors. Where do they live - in castles.
On hills or mounds
mote and bailey castles and stone keep castles and Concentric Castles
Medieval castles evolved because the old Motte and Bailey castles where easier to set alight and where not very strong, so they made stone castles to improve defence.