The term "literary device" refers to the techniques and tools that an author uses to convey meaning and create a certain effect within a piece of writing. There are many different synonyms for literary device, including literary technique, stylistic device, rhetorical device, literary element, and figure of speech. Each of these terms refers to the different ways that a writer can use language to create a specific effect, such as symbolism, metaphor, imagery, or irony. Understanding these different techniques can help readers to better analyze and interpret literature, as well as to appreciate the artistry and creativity of the writer's craft.