Schrifterwerb (gesteuerter) ; Schriftspracherwerb (gesteuerter) ; Alphabetisierungsunterricht; Literacy (teaching of) ; Written language instruction ; Written language ; Literacy (culture of) ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Functions of language; Language function ; Cercle linguistique de Prague; Prague Linguistic Circle; Prague school ; Language norm