Following are some technical terms or name used in stone masonry:
What is Bed?
In stone masonry, the bed is the lower surface of stones on which they rest in a course.
What is Back?
The inner surface of a stone wall that is not exposed to the weather is referred to as the back.
What is Backing?
The material used in back of the wall is known as the backing.
What is Face?
In stone masonry, the outer surface of a stone wall which is exposed to the weather is referred to as the face.
What is Facing
The material used on the face of the stone wall is referred to as the facing.
What is Hearting?
In stone masonry, the space of the wall between facing and backing is known as hearting.