The document discusses basic principles of graphics and layout for online environments. It outlines principles such as balance, symmetry, emphasis, movement, pattern, repetition, rhythm, proportion, and variety. Balance refers to the even distribution of visual elements. Symmetrical and asymmetrical balance are discussed. Emphasis is the element that catches viewer attention. Movement is the path the eye takes through the design. Pattern, repetition and rhythm involve repeating design elements to create unity and organization. Proportion concerns the relationship between different parts. Variety keeps the viewer engaged through multiple design elements.