Topics: Developmental linguistics, Psycholinguistics, Neurolinguistics, Sociolinguistics, Sounds, suprasegmentals, Consonants, vowels, Sound variation, Stylistic variation, Sound change, Consonant change, Vowel change, Suprasegmental change, Phonemes, syllables, phonological processes, Syllabification, Maximal Onset Principle, Phonological features, Child phonology, Processing sounds, Speech perception, Speech production.phonological processing, Word classes, words, Lexical categories, English verbs, Building words, Morphemes, Morphological processes, derivation, inflection, Compounds, Clitics, Allomorphy, agglutinative ideal, morphological operations, Word meaning, Entailment, hyponymy, Early words, Lexical processing, mental lexicon, Lexical disorders, aphasia, Agrammatism, Paraphasias, Lexical variation, Lexical change, Borrowing words, Sentences, Complex sentences, Sentence structure, Empty T constituent, Covert complements, Empty complementisers, Empty determiners, Yes–no questions, Syntactic variation, Children’s sentences, Sentence processing, Null Subject Parameter, Children’s nominals, Presuppositions, Relevance Theory, Context, coherence, Syntactic disorders, Agrammatism, Paragrammatism, Specific Language Impairment