The article discusses the structural-semantic and functional design features of one of... within the framework of a coherent scientific text of various varieties. The specificity of its use as one of the largest units of division and generation of the text, reflecting the interaction of the compositional, semantic and thematic levels of the text, which are defined in the article as structural and thematic components of the text [STK], is clarified. Their set and functioning manifest themselves as a universal model of a scientific test. The author lists several STK and considers the functioning of the structure one of... within one of the leading STK used in the introductory part of the integral text-hundred. On numerous examples from texts of the humanities of different types, the author analyzes the purpose and features of language means serving the construction of one of... An important place among them is occupied by semantic groups of nouns that designate taxonomic generic relations, and also form stable ones with them. combinations of adjectives with pronounced evaluative semantics. It is shown that the integrated use of these tools makes it possible for the considered multifunctional design to act as an important text-organizing tool, presenting the subject of significant parts of the text