I believe those are servant doors that lead to various servant pathways throughout the castle, as for the servants not to be seen
This depends what you call a lake. Small lakes are ponds. Small ponds are just little puddles.
Saloon doors
A chateau
Conisbrough castle is a circular Norman keep tower or you can call it a stone round keep the castle is in Doncaster south Yorkshire
a moat
If it is small and cool enough it could be a "brown dwarf". If it is a little warmer it is called a "Red Dwarf".
Scissor Doors (some call them Lambo doors) Unless you mean they literally swing up, like the hinge is up top on the roof, then it's a gullwing door.
Agoraphobia. *Agoraphobia is the fear of the open doors not the fear of open doors.
servant
Carpenter
A stake out
masjid and in english a mosque