small indefinite quantity vs serving

Other hyponyms of small indefinite quantity include helping, portion, mouthful, taste, crumb, dab, splash, splatter, bit, spot, hair's-breadth, hair, hairsbreadth, whisker, modicum, scattering, sprinkling, shoe string, shoestring, spray, spraying, nose, step, stone's throw, little, schtick, schtik, shtick, shtik, shade, tad, lower limit, minimum, morsel, handful, smattering, couple, drib, driblet, drop, dollop, dreg, diddley, diddly-shit, diddly-squat, diddly, diddlyshit, diddlysquat, doodly-squat, jack, shit, squat, nip, shot, hint, suggestion, tint, trace, iota, scintilla, shred, smidge, smidgen, smidgeon, smidgin, tittle, whit, tot, hint, jot, mite, pinch, soupcon, speck, tinge, touch.