Representation (of space) ; Höhenbegriff; Height (notion of) ; Space (notion of) ; Wortbedeutung (Spracherwerb) ; Bedeutungsentwicklung; Semantic development ; Mental representation (language acquisition) ; Object individuation; Conceptual development; Konzept (Spracherwerb) ; Concept formation ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Lemmata ; Ortspräposition; Lokale Präposition; Richtungspräposition; Preposition of movement; Directional preposition; Spatial preposition ; Wortbedeutung; Word semantics ; English