Overview takes you through the building blocks of any design i.e. the elements of design.
Visual Features are the basic features of the elements. They are physical like shape, texture, color and are relational like size, position & orientation.
Principles of Design are guidelines and perspectives that help in making good design. Structural Principles relate to the physical concepts of design.
Principles of Design are guidelines and perspectives that help in making good design. Relational Principles relate to the relative concepts of design.
