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PERONii Solutions.
61 Shortmarket Street
Cape Town 8001


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Saturation describes how intense or vivid a colour is. A high saturation means that the colour is really bright; while a desaturated hue becomes mute and grey. Saturation is one of three coordinates in the Hue-Saturation-Value colour space.
See also Colour Value, Hue
SEM is an abbreviation for Search Engine Marketing. Search engine marketing is the process of online marketing of your website. Online marketing can consist of banner advertising, Pay-per-click advertising (paid ads on search engines), paid links, RSS marketing and much more. SEM is closely related to SEO (Search Engine Optimisation).
See also SEO
SEO is the abbreviation for Search Engine Optimisation (American spelling - Search Engine Optimization). Search Engine Optimsation refers to the process of optimising your website and various off site factors to improve your organic ranking in Search Engines. Do I need SEO? The reason for doing SEO is that there is a direct relation between organic ranking (when people search for your main keywords and phrases) and the amount of targeted traffic a website would receive from search engines. The higher your ranking, the more traffic you get and in turn, more business. This process is usually closely related to Search Engine Marketing (SEM).
See also SEM
In a bound book or magazine, the spine is the back edge that connects the front cover and back cover. It is the part of the book that is visible when the book sits on a shelve.
See also Back Edge
Subtractive Colour
Cyan, Magenta and Yellow are the primary subtractive colours. When light falls on a surface, certain wavelengths are absorbed (subtracted) and those reflected back, produce the colour you perceive. Subtractive colours are the sensation of colour seen in ink on paper. Cyan, Magenta, Yellow and Black (CMYK) is used in print media, compared to additive colour (RGB) used in multimedia design.
See also Additive Colour, CMYK