Top and Bottom of a Board
What is SURFACE or FACE
A Board's curvature from Edge to Edge
What is CUP
Caused by an embedded limb or branch.
What is a KNOT
A board's HUMP curvature on it's edge running End to End

What is CROWN
Aseperation of the wood along the grain.

What is CHECK
A Board's BELLY curvature on it's edge running End to End

What is CROOK
Presence of Bark Wood along a Boards Edge.
What is WANE
Another name used for the growth ring of a tree
What is GRAIN
A Board's curature on it's Surface running End to End

What is BOW
A seperation in plywood layers
What is DELAMINATION
Usually the largest Measurement of a Board
What is LENGTH
Measurement of the THICKNESS of a 5/4 board
What is 1 1/4 inch
When a Board's Surfaces' corners all don't lie flat.

What is TWIST
Is the Main reason why Plywood Delaminates
What is INTERIOR GLUE USED OUTDOORS