Tokens that signal structural elements of formal, analytical, or expository writing, including markers of comparison, causation, methodology, scope definition, transitions between arguments, and meta-commentary about the text itself. These appear frequently in academic, technical, or persuasive discourse where authors need to signal logical relationships, qualify claims, introduce evidence, or guide readers through complex argumentation.
content-bearing words in formal analytical or expository writing, particularly nouns, verbs, and adjectives that carry substantive meaning in arguments, explanations, or descriptions.
