Basic level concept; Concept (psycholing.) ; Sprache und Denken; Language and thought; Sprachliches Relativitätsprinzip; Denken und Sprache; Relativity (linguistic) ; Wahrnehmung und Sprache; Perception and language; Sapir-Whorf hypothesis; Linguistic relativity ; Multilingualism; Polylingualism; Plurilingualism ; Transfer (languages in contact) ; Adstratum language; Adstratsprache; Interference ; Genuswahl; Gender assignment ; German ; English ; Polish