Baltic-Finnic is a term used to describe the languages and ethnic groups of the Baltic region. Some synonyms for this term include Fenno-Baltic, Baltic-Ugric, and Finno-Ugric. These terms are used interchangeably to describe the languages spoken by the people who migrated to the region thousands of years ago. The most prominent Baltic-Finnic languages include Estonian, Finnish, and Livonian. These languages have distinct features that separate them from other languages, including complex grammar and unique vocabulary. The Baltic-Finnic people have a rich cultural heritage, and their languages have played a significant role in shaping the history and development of the region.