主题词：Syntax, Semantics, Linguistic Variation; Phonetics and Phonology Research; Linguistic Variation and Morphology; Natural Language Processing Techniques; Diverse Scientific and Economic Studies; Language, Discourse, Communication Strategies; Language and cultural evolution; Linguistics and Discourse Analysis; Language, Metaphor, and Cognition; Linguistics and language evolution; Human auditory perception and evaluation; Neurobiology of Language and Bilingualism; Language Development and Disorders; German Literature and Culture Studies; Historical Linguistics and Language Studies; Linguistic Studies and Language Acquisition; Categorization, perception, and language; linguistics and terminology studies; Spanish Linguistics and Language Studies; Lexicography and Language Studies; Language, Linguistics, Cultural Analysis; Speech Recognition and Synthesis; Multilingual Education and Policy; Philosophy and Theoretical Science; Speech and dialogue systems