In VBA, the simplest programming structures are ________ structures

Rather than allowing a user to select a primary key value, it is a good idea to use a(n) ______ to generate the value.

Fill in the blank(s) with the appropriate word(s).

A(n) ¬_______ appears in the form message line when the insertion point is in the text item.

Fill in the blank(s) with the appropriate word(s).