
The use of typography, symbols, color, and other static and dynamic graphics are used to convey facts, concepts and emotions. This makes up an information-oriented, systematic graphic design which helps people understand complex information. Successful visual communication through information-oriented, systematic graphic design relies on some key principles of graphic design.

The most important elements should be easily perceived. Non-critical elements should be de-emphasized and clutter should be minimized so as not to hide critical information.
Communicate
The GUI must keep in balance legibility, readability, typography, symbolism, multiple views, and color or texture in order to communicate successfully.
Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a gaey of type and scrambled it to make a type of specimen book.