two mind problem

the world of bats must be obscure to Man
who builds reality from cues of sight
while they construct from auditory scans
a 4-D map to navigate the night
two minds describing what they know's out there
can harbor doubt that they communicate
of just which traits is it that we're aware
that best define the thing we contemplate
does "yellow" echo diff'rently from "red"
can bouncing photons tell what's soft or firm
why should you understand a thing I've said
when no one gives each qualium its term
a metaphoric code is all we've got
but who's to say a metaphor for what