rhetorical device; stylistic device
Technical term used in rhetoric, literary analysis, and composition to refer to techniques such as metaphor, simile, hyperbole, etc.
Metaphor is one of the rhetorical devices.
Many rhetorical devices are used in this text.
修辞 is the broader concept of rhetoric or figure of speech, while 修辞技法 specifically refers to individual rhetorical techniques or devices.
レトリック is a more general loanword for rhetoric, often used in everyday language, whereas 修辞技法 is a formal, academic term.
Compound of 修辞 (rhetoric) and 技法 (technique). The exact historical derivation is uncertain, but the term is a modern technical coinage.