the world > action or operation > manner of action > vigour or energy > [noun] > briskness or activeness > bustle or fuss > bustling or fussing > about trifles (5)
Fidgetiness, fussiness: fuss.
The quality or habit of being fussy; restless or ostentatious activity about trifles.
Restlessness, agitation; the action of taking much trouble.