"Oratio directa" is a Latin term that refers to direct speech in writing. It is a device used to effectively convey a character's voice and personality in any written work. Some synonyms that can be used in place of "oratio directa" are direct discourse, reported speech, verbatim, quoted speech, and reported dialogue. These synonyms are useful when writers want to break the monotony of their pieces or emphasize the character's words. They also serve as tools for writers to bring a sense of realism to their work and make it more engaging for their readers. Regardless of the synonym used, the purpose remains the same - to convey the character's voice to the reader.