主题词：Linguistic Variation and Morphology; Linguistics, Language Diversity, and Identity; Linguistics and language evolution; Linguistic research and analysis; Spanish Linguistics and Language Studies; French Urban and Social Studies; Diverse Scientific and Economic Studies; Lexicography and Language Studies; Multiculturalism, Politics, Migration, Gender; Natural Language Processing Techniques; Phonetics and Phonology Research; Linguistic Studies and Language Acquisition; German Literature and Culture Studies; Linguistic and Sociocultural Studies; Linguistic Education and Pedagogy; Historical Linguistics and Language Studies; Linguistics and Cultural Studies; Social Policies and Family; Historical and Political Studies; Psychoanalysis and Psychopathology Research; Human auditory perception and evaluation; Gender Studies in Language; Basque language and culture studies; Language and Culture; Multilingual Education and Policy