or a pragmatician, I dare say, these are all different titles for the same
job,
due to the indiscernibility between interpreting and observing one's
experience.

It is a standard exercise in the Peircean theory of signs
to try one's hand at coming to grips with the relationship
between interpreters, putative agents of the interpretative
process, or as they say, of the ongoing "semiosis", and the
so-called "interpretant signs" that intervene in this action
between the object of a sign and the initial sign in