Linguistic Anthropology is concerned with

• Descriptive (or synchronic) Linguistics Describing dialects (forms of a language used by a specific speech community). this study includes phonology, morphology, syntax, semantics, and grammar.
• Historical (or diachronic) Linguistics Describing changes in dialects and languages over time. This study includes the study of linguistic divergence and language families, comparative linguistics, etymology, and philology.
• Ethnolinguistics Analyzing the relationship between culture, thought, and language.
• Sociolinguistics Analyzing the social functions of language and the social, political, and economic relationships among and between members of speech communities.