The document discusses the principles of composition in photography. It explains that composition is the arrangement of visual elements in an image to create a sense of unity. Strong composition is important for creating a good photograph. Key elements of composition discussed include dominance and position to create a center of interest; framing devices; repetition of shapes; tension; use of lines to guide the eye; following the rule of thirds; and incorporating S-curves. A strong composition draws the viewer into the photograph and tells the story the photographer intends to convey.