phonology

phonemes

morphology

semantics

morphemes

free morphemes

bound morphemes

syntax

pragmatics

sociolinguistic knowledge

linguistic universal

language acquisition device (LAD)

universal grammar

language-making capacity

aphasia

Broca's area

Wernicke's area

sensitive-period hypothesis (of language acquisition)

pidgin

creole

interactionist viewpoint

motherese

expansions

recasts

coos

babbles

receptive language

productive language

holophrase period

holophrase

naming explosion

multimodal motherese

referential style

expressive style

fast mapping

overextension

underextensions

processing constraints

object scope constraint

mutual exclusivity constraint

lexical contrast constraint

syntactical bootstrapping

telegraphic speech

grammatical morphemes

overregulation

transformational grammar

referential communication skills

morphological knowledge

metalinguistic awareness