● Corner joint: This is a more general term that can refer to any joint where two pieces of material come together at a corner, including window frames.

● Miter joint: This refers specifically to a joint where two pieces of material (in this case, window frame pieces) are cut at a 45-degree angle and joined together at the corner.

● Butt joint: This is a joint where two pieces of material are simply butted up against each other and fastened together, often with nails or screws.

● Lap joint: This is a joint where one piece of material overlaps another piece at the joint, creating a stronger connection.

● Mortise and tenon joint: This is a traditional woodworking joint where a hole (mortise) is cut into one piece of material and a protrusion (tenon) is cut on the other piece, which is then inserted into the mortise and fastened together.

● Dovetail joint: This is another traditional woodworking joint where a series of interlocking, angled cuts are made into the two pieces of material, creating a strong and decorative joint.