The drawers will likely be made of solid wood or MDF; have framed or flat
slab fronts; and be held together with either dovetail, mortise-and-tenon, or
butt joints.
Dovetail
Mortise-and-tenon
Butt joint
Glue holds the parts together, though staples or brads are typically used to
hold the joints together until the glue has cured. Dovetail joints provide the
most strength.