ELMENTS OF DESIGN: Lines: Lines in photos are used to either direct eyes to a part of a photo or to convey a mood. Leading: Leading lines are lines in a photo that directly lead to the subject of a photo. Vertical: Vertical lines are lines that can convey a mood when used in a photo. Horizontal: Horizontal lines in photography are usually used to convey a sense of stability. Diagonal: Diagonal lines, when intersecting with an object, are used to bring attention to the subject of a photo. Curved: Curved lines help an image become easier to explore. PRINCIPLES OF DESIGN: Balance: When every principle in a photo is used equally. Symmetrical: When an image is symmetrical, one half of it is identical to the other half. Asymmetrical: When an image is asymmetrical, one half is NOT identical to the other half.