INPT is a field where the user can key in some data and it will be received by the program regardless of whether the user has modified it or not
INPT is a field where the user can key in some data and it will be received by the program only when the user has modified it
INPT is a field where the user cannot key in any data and it will not be received by the program at all
INPT is a field where the user can key in some data but it will not be received by the program at all