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 user-  centred  design

 (now commonly abbreviated 

to UX) involves more than user interface design. It can be conceived of as centring on the 

human, but surrounded concentrically by factors that affect usability such as user interface, 

computers, workplace and the environment. Here we will be specifically looking at the user 

interface.

As digital platforms have evolved, there are an increasing number of online brand pres-

ences, from company websites accessed over desktop computers to mobile sites and apps 

accessed via tablets and mobile phone to social presences on the major social networks like 

Facebook, Google+, LinkedIn and Twitter. Consequently, improvements to the UX of sys-

tems have been extended to consider the context of access of systems within the location of 

the user. This is known as