In this skill group, the focus of the study of Language & Knowledge is based on applied linguistic theory, structuralism, poststructuralism, and semiotics with several subtopics such as Sociolinguistics, Urban, Linguistics, Digital Literacy, Critical Thinking, Language for Specific Purposes, Academic Language, Corpus Linguistics, Sociophonetics , Forensic Linguistics, Biological Linguistics, and Psycholinguistics. Sosiolinguistics, Urban, Linguistics, Digital Literacy, Critical Thinking, Language for Specific Purposes, Academic Language, Corpus Linguistics, Sociophonetics, Forensic Linguistics, Biological Linguistics, dan Psycholinguistics.