Plain English Meaning

Big red arrows that show up on the attitude display when the nose is pointed way too high or way too low. They point the way back to level. Follow the arrows.

Full Definition

Red arrow-shaped symbols (pointing toward the horizon line) displayed on the attitude indicator of glass cockpit primary flight displays when the aircraft's pitch attitude becomes extreme. They appear on the sky side when the nose is pitched excessively up, and on the ground side when the nose is pitched excessively down, indicating the direction the pilot must pitch the aircraft to recover toward level flight.