relating to or characteristic of a word whose reference depends on the circumstances of its use
Deictic pronouns.
source: WordNet 3.0
Direct; proving directly; -- applied to reasoning, and opposed to elenchtic or refutative.
source: Webster 1913
noun
a word specifying identity or spatial or temporal location from the perspective of a speaker or hearer in the context in which the communication occurs
Words that introduce particulars of the speaker's and hearer's shared cognitive field into the message.