Assertion: castle | /r/HasProperty | concentric
Facets:
value: in plan
type: OTHER
value: with walls within walls
type: OTHER
Source sentences:
text: Both castles are concentric in plan, with walls within walls, although Beaumaris is the more regular in design.
text: Edward's strongest castles were concentric, providing optimal defensive capabilities, but the use of castle and town walls provided up to two lines of defence, with the benefit of an ostentatious appearance - essential when considering Caernarvon's intended purpose.