Question: what are the types of carpentry joints?
Answer: Butt Joint. A simple joining of two pieces of wood, either at a corner or edge to edge. ... 
Dado Joint. You'll see this joint on bookcase shelves. ... 
Dowel Joint. ... 
Lap Joint. ... 
Miter Joint. ... 
Mortise-and-Tenon Joint. ... 
Through-Dovetail Joint. ... 
Tongue-and-Groove Joint.