physical object; object; body

benefit (be or provide a benefit to)

useless, deadhead, good-for-nothing, a piece of shit / (politics) lame duck

lifting up

to lift up

heavy / (of computers or programs) sluggish; slow / (of computer networks) congested; having poor performance

equipment; device

a division / something that divides two objects

the number of overlaps; fold, layer

main, principal, important