If you're new to working from drawings and understanding drafting terminology, these drawings should give you a better understanding of what you're seeing on a set of plans.
Hatching Denotes The End Grain In A Board
Glue Pin Joinery
Side Panel & Face Frame Joinery With A 3/8" Mortise & Tenon
Half Lap Mortise & Tenon
Half Lap Mortise & Tenon
Mortise & Tenon Face Frames. The Dotted Line denotes hidden and can't be seen from the outside.
Dado Horizontal
Dado Vertical
Sliding Dovetails
View showing 1/4" plywood back in a 1/4" x 3/8" rabbit
View showing 1/2" ship lapped boards for a back in a 1/2" x 3/8" rabbit