Machine learning (lex.) ; Automatic vocabulary acquisition ; Körpersprache; Chronemics; Kinetik; Kinesics; Nonverbal communication ; Anaphora (Spracherwerb) ; Reference (language acquisition) ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Kindersprache (Sprachverständnis) ; Children's comprehension of language; Language comprehension in children ; Spracherwerb (lex.) ; Language acquisition (lex.) ; Vocabulary (language acquisition)