Final answer:
A story pole is a 2 x 4 stud used as a guide for marking the heights of horizontal and vertical members in framing.
Step-by-step explanation:
(A) A story pole is a 2 x 4 stud used as a guide for marking the heights of horizontal members and the lengths of vertical members in framing. It helps ensure that all the components of a structure are installed at the correct heights and lengths. For example, if you are framing a wall, you can use a story pole to mark the positions for the top and bottom plates as well as the stud heights.
(B) A story pole is not used for checking elevations or leaving notices for other trades. It is specifically used for framing purposes.
(C) The location inspection stickers are posted is not related to the purpose of a story pole.