A castle that has defense and can be protected from attack.
A bastille is a castle tower or fortified building, or a prison or jail.
In medieval times, a Keep is a fortified tower found within a castle. It was usually the most fortified interior part of the castle and was used as a last line of defense, where the nobility would hole themselves up in with their guards should the outer castle be taken.
a keep and its the most important part in the castle
In a motte-and-bailey castle - the motte is a fortified tower standing on a raised mound.
A barbacan is an archaic term for a barbican, a tower at the entrance to a castle or fortified town, or a fortress at the end of a bridge.
The Castle in the Forest was created in 2007.
Steeple is to church as tower is to castle.
the tower on a castle is called a turret!
Gatehouse
The Vianden castle was one of the largest fortified castles west of Rhine.
The tower was built with platforms often about 10 feet apart. These were connected by ladders so the attacking soldiers could climb up inside the siege tower right to the top and jump onto the castle walls.
A castle was a fort, and a manor house was the home of the lord of an estate. They were not the same thing; though a manor house could be fortified, and if it were looked very like a castle; and a castle could be used by the lord of an estate as his home. A castle usually had a curtain wall and a ward or courtyard, and a fortified manor usually did not, and that might distinguish a castle used as a home from a fortified manor house. Oh heck, the difference depended on what the lord called it.