lly with helping to line up understandings between emitters and
recipients.  It is because of the ambiguity of signs based on implicit and
mismatched understandings that we want to devise schemes for making
dimensions of understanding explicit, so that signs will be interpreted
identically (or at least similarly) by multiple recipients, and in
correspondence with the purpose of the emitter.  For instance, the Tower of
Hanoi is not really a discussion of the spectral analysis of color, but
rather imaginary d