baggage, luggage / unwelcome burden

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

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

a division / something that divides two objects

the number of overlaps; fold, layer

main, principal, important

heavy, weighty / involving large-scale manufacture, heavy / great in degree, heavy, serious, severe, hard, difficult

weight