An understanding of human factors is increasingly playing a role in the product design. Human factors approaches have traditionally focused on usability, and this has fostered a view which tends to see products as tools and people as cognitive and physical components within a person-product system. [...]

This work gives a broad introductory overview of the topic of usability. Firstly, usability is defined and a framework for identifying different aspects of usability is given. The main principles for creating usable designs are expounded, followed by practical advice as to how to design usable pro[...]