supporting detail
supporting detail (detalle de apoyo)
a fact, example, reason or quote that explains or proves the main idea.
Example
A daily 30-minute walk can lower blood pressure. (A detail that supports the main idea that walking is good for your health.)
In Spanish
supporting detail (detalle de apoyo) — un dato, un ejemplo, una razón o una cita que explica o prueba la idea principal.
A daily 30-minute walk can lower blood pressure. (Un detalle que apoya la idea principal de que caminar es bueno para la salud.)