Displacement-ability of language users to refer to things remote in
time and space, including things that do not exist, and events that
never occurred.
Morpheme- The smallest meaningful sequence of sounds in
a language.
Phoneme- The smallest meaningful units of sound in a
language that do not make any difference in meaning.
Signals- sound or gesture that has a natural or self-evident meaning
Symbols- sounds or gestures that have meaning for a groups of people
the cultural tradition gives it meaning.