What does it mean when a light goes on in your 1998 Lexus ES300 which is a picture of the car and the emphasis seems to be lines much like indicating speed or sun rays coming from the back of the ve?

The light you're describing sounds like the "Brake" warning light or possibly the "Brake System" warning light in your 1998 Lexus ES300. This symbol typically indicates an issue with the braking system, such as low brake fluid, worn brake pads, or a malfunction in the ABS system. It's important to address this warning promptly, as it can signify a potential safety issue. Check your brake fluid level and consider having the braking system inspected by a professional.