The warning emoji on Apple devices is a striking visual cue, typically depicted as a bright yellow triangle with a bold, black exclamation mark at its center, all presented with Apple's characteristic glossy 3D shading. Its design is clean and impactful, with smooth gradients and rounded edges that make it easily recognizable and convey a sense of urgency or caution. This emoji is widely used to signal an alert, an important notice, or a potential issue that requires attention.