i need help from anyone who has knowledge of an 88 civic hb. what is the diff. between a front bumper absorber, front bumper filler, and a front bumper reinforcement? i am rebuildin the front end of this car after a front end collision, but im not sure what these parts are, or if i even need them. anyone who can help, please do so. thanks

 

front bumper filler is the piece of metal in between bumper and radiator support.
front bumper absorber is the foam in between the bumper and bumper reinforcement is the piece that is behind the bumper big metal piece

 

thanks man