Expressions that can only be interpreted with reference to the speaker`s position in space and time and knowledge thereof.

PERSONAL DEIXIS - the use of personal pronouns (I , we , you) that only acquire their specific meaning in relation to the speaker.

SPATIAL DEIXIS - lexemes that can only be interpreted by reference to the position of the speaker (here, there; this, bring/, take). TEMPORAL DEIXIS - now, yesterday, then are only interpretable with reference to the temporal position of the speaker.