The look or feel of a surface. Texture adds richness and dimension, emphasizes, and suggests mood or feeling. Texture can be tactile or visual . Tactile texture can actually be felt. For example, a piece printed on uncoated, rough paper or the use of embossed type will result in a tactile texture.
Visual texture creates the illusion of texture on the printed piece.
Pattern is a kind of visual texture. Patterns work well as backgrounds or borders in layouts. Give the piece a mood or a personality. Create contrast for interest. Fool the eye.