SOCIOLINGUISTIC

4. The study of how language varies and changes in social contexts, examining the relationship between language and society, including factors like class, gender, ethnicity, and age.
5. The distinctive way in which words are pronounced in a particular region or by a specific group of people. Accents can indicate geographical origin or social class.
6. Specialized language used by a particular group, often related to a specific profession or interest. Jargon can create in-group solidarity but may be confusing to outsiders.

1. The practice of alternating between two or more languages or dialects within a conversation or discourse. This often occurs in bilingual or multilingual communities.
2. Informal language that often evolves quickly and is used within specific social groups. Slang terms may not be understood by those outside the group and can vary widely by region and culture.
3. A regional or social variety of a language distinguished by pronunciation, grammar, and vocabulary. Dialects can reflect the geographical or social background of speakers.