ClipArt ETC
"Details of a castle: 1. Fortified approach 2. Drawbridge 3. Moat 4. Donjon or keep 5. Towers flanking main entrance 6. Angle towers for defense of outer wall 7. Chapel." -Foster, 1921

Castle Parts

"Details of a castle: 1. Fortified approach 2. Drawbridge 3. Moat 4. Donjon or keep 5. Towers flanking…

Tower of London, with donjon in courtyard.

Tower of London

Tower of London, with donjon in courtyard.