An Android Drawable is a graphic resource used in Android applications to represent images, shapes, or colors. It can be defined in XML or as bitmap files, allowing developers to create visually appealing user interfaces. Drawables can be used for backgrounds, icons, and other visual elements, enhancing the overall user experience. There are several types of drawables in Android, including BitmapDrawable, ShapeDrawable, and LayerDrawable. Each type serves a specific purpose, such as displaying images or creating shapes. Developers can also create custom drawables to meet unique design requirements, making Android applications more versatile and engaging.