Principals of Design

Design elements are the basic units of a visual image.
The principles of design govern the relationships of the elements used and organize the composition as a whole
Design Elements
-Space
-Line
-Color
-Shape
-Texture
-Value

Space can be in 2 or 3 demetions
Space can be negative or positive.

Color can be used to draw the eye to a certain part of poster
color can give a certain emotion 

Shape can help us identify things

Texture can be inplied
Some inks can add actual texture 

Value helps convey an illusion of depth and gives objects shading
Value is the difference between light and dark areas

Design Principles

Unity 

Repetition

Variety 

Function