formal category in a sentence

Examples

1. During this period the Caucasian race, named after people of the North Caucasus ( Caucasus Mountains ) but extending to all Europeans, figured as one of these races, and was incorporated as a formal category of both scientific research and, in countries including the United States, social classification.
2. Narrative can be organized in a number of thematic and / or formal categories : non-fiction ( such as definitively including creative non-fiction, biography, journalism, transcript poetry, and historiography ); fictionalization of historical events ( such as anecdote, myth, legend, and historical fiction ); and fiction proper ( such as literature in prose and sometimes poetry, such as sequence of events is presented.