The Design of Everyday Things is a best-selling book by cognitive scientist and usability engineer Donald Norman about how design serves as the communication between object and user, and how to optimize that conduit of communication in order to make the experience of using the object pleasurable.
Accessibility is the process of removing barriers to meet people’s access needs. It goes hand in hand with usability, affordability, availability, and overall good design. This article focuses specifically on visual barriers in typography.
Colour contrast between text and background is important on web pages. It affects some people’s ability to perceive the information (in other words to be able to receive the information visually).