to be of help; to be useful; to go toward
to make up (a deficiency); to supplement; to add to; to put towards
food to fill one's stomach; something to satisfy one's hunger
running errands; going on errands; (transaction of) business; going about one's business; doing one's business (i.e. at the toilet); going to the washroom
to combine parts of two different things into a new thing; to compromise; to balance out
addition; appendix; supplement; postscript
addition; extension; elongation
adding more water (to a bath tub)