The document discusses the basics of 3 point lighting for portraits, including key light, fill light, and hair light. It describes different types of key lights (soft vs hard) and lighting techniques like hatchet lighting. Fill light is used to lighten shadows and control contrast. Hair lights and edge lights help separate the subject from the background. Background lights can provide overall lighting, slashes or accents on the background, or introduce color. Proper placement and choice of lighting equipment is important to achieve different moods and looks.