(n) screen (that blocks off an area from view)
(n) idea, thought
(vt) to count; (arch.) to sort
The 'sort' meaning was original. Counting probably involved sorting at one point.
(idiom) to waste a lot of effort on a task that's unlikely to bear fruit
Literally 'to be sorting pebbles in the river', using the old meaning of veez, with the implication that you'll be at it forever and the water will soon undo whatever progress you do make.
(vt) to experience, live through, know
(n) the way in which something is done, manner