By accepting reviews on a design project, whether in digital or physical medium, a designer can take critique/feedback on their project. This critique/feedback can possibly affect the designer...
conceptual design is just a rough draft picture (usually many) that lead up to the basic idea you are drawing. detailed design is similar but further along the design process and more detailed ,...
its the history of graphic design! from way back to ww1 posters, bauhaus, great typographers, the design of the grid, the golden section, design pioneers!
i would look up Bauhaus,...