General Design Process
In general, graphic design process from concept are as follows:

The diagram above can be applied to the field of visual design, such as: Architecture, Textiles / Fashion, Product, Multimedia and more. In more detail, described as follows:
CONCEPT
Was the work of thought which determines the purpose, feasibility and the intended target. The concept [...]

What is graphic design?
Graphic design can be interpreted as a process of thinking embodied in Fig.
What is the scope of work graphic designers?
Lots include: book cover design, page layout, cover CD, interface, brosure, invitations, business cards, sign systems, logos, web design, animation, packaging, illustrations, games, 3D modeller, digital photography, advertising and other
Are all people can [...]