While imaging is not actually included in the elements for this subject/units, this topic is very relevant for creating high quality websites. The following notes are a hotch potch of information that is delivered as part of Certificate IV, focusing on imaging concepts relevant for your websites. Pixels and Resolution It's all about the Pixels You have all heard the term, but what actually is a pixel. This definition is from http://www.techterms.com/definition/pixel and defines the term in plain english. The term "pixel" is actually short for "Picture Element." These small little dots are what make up the images on computer displays, whether they are flat-screen (LCD) or tube (CRT) monitors. The screen is divided up into a matrix of thousands or even millions of pixels. Typically, you cannot see the individual pixels, because they are so small. This is a good thing, because most people prefer to look at smooth, clear images rather than blocky, ...