Productivity
An infinite # of sentences are possible in any language.
Regularity
systematic struc for all languages
Competence
Knowledge of “the rules”
Performance
Applying that knowledge when speaking or listening
2 Theories of Language and Thought
Statistical Language Universals
Features found in many languages of the world, but not necessarily in all
Absolute universals
Features found in all true languages
Arbitrariness
Flexibility
Displacement
We can talk about things that happened in the past, and that will happen in the future.
Interchangeability
All humans (i.e., males & females) can produce an infinite # of unique sentences