Demonstratives act like determiners, attaching to classifiers, pronouns or pronimal clitics, though they can co-occur with determiners, in which case they come first: [dem]=[det]=[cls]. They have both familiarity and deictic meanings and overtones of temporal meaning.
|da||this, familiar to speaker||here||now|
|su||that, neutral familiarity to speaker, familiar to hearer||there||then|
|yo||that yon, that other, unfamiliar to speaker or hearer||yonder||then (future)|