n. fee for sending letters or packages by mail (*) postage (*) conversation (*) customs (*) duration

n. path along which a fluid flows; direction in which a particle flows; aerodynamic shape (*) enrichment (*) streamline (*) slander (*) detail

n. the level of monetary funding a company needs to run smoothly (*) card (*) chapter (*) bookcase (*) capital requirement

n. back end; hindmost unit of an army (or fleet, etc.) (*) acquisition (*) drop (*) rear (*) virtual

n. realization; carrying out; performing; putting into effect; execution (*) implementation (*) index (*) tool (*) situation

n. nourishment; substance which provides the body with nutrients; sustenance (*) avail (*) food (*) demographics (*) weapon

n. attainment of something desired or attempted; accomplishment; prosperity (*) acquisition (*) vacancy (*) success (*) impact

n. coins and paper notes which have value; currency; medium of trade; wealth (*) example (*) lifestyle (*) money (*) clerk

n. frequent customer; repeat customer (*) income (*) regular (*) component (*) limit

n. point at which something ends; edge; border; restriction; restraint (*) flat money (*) cement (*) limit (*) population