The term "raised dot" refers to a small circular bump or protrusion that can be felt on the surface of an object. This popular feature is commonly found on keyboards and other devices designed for individuals who are visually impaired or blind. There are numerous synonyms for the term "raised dot," including tactile dot, palpable bump, textured nub, embossed circle, and braille dot. These terms are often used interchangeably to describe any bump or ridge on a surface that serves as a tactile marker. Whatever the term used, the purpose is to provide a functional aid to those with visual impairments, allowing them to access information more easily.