The video "ISO, Shutter Speed and Aperture Explained | Exposure Basics for Beginners" covers the three fundamental elements of photography exposure: ISO, shutter speed, and aperture. It explains how ISO affects the camera's sensitivity to light, how shutter speed controls the duration of light exposure, and how aperture (f-stop) determines the size of the lens opening, influencing depth of field and light intake. The video provides practical tips for balancing these settings to achieve the desired exposure and creative effects in photography.