The choice of words to create special effects is called

The choice of words to create special effects is called diction. Diction refers to the style of language used by an author or speaker. It involves the selection and use of words, phrases, and sentence structures to create a desired tone, atmosphere, or mood. Diction can be formal or informal, simple or complex, and can include a variety of literary devices such as imagery, figurative language, and sound devices. By choosing certain words, an author or speaker can convey a particular mood or atmosphere to the reader or listener, which can help to create a more engaging and effective piece of writing or speech.