C# is a Microsoft programming language which was developed as part of the .NET initiative.

A cache is a temporary storage area that makes use of a computer’s memory to save data for rapid access. When data is cached it is served via memory rather than being retrieved from a database so the access time is decreased.

Check boxes are used on web page interfaces to select an item. They normally consist of a square box that when unchecked is white and when checked contains a cross or tick within the box.

A child page can be used to describe a page that is a sub page of another page (its parent page).

A cloud tag is a navigation method made from words that represent pages of a site. Pages are usually tagged by visitors and pages that have been tagged more will be represented in the tag cloud by a heavier or larger font style which shows they are of more importance.

A CMS is a software application used to present and manage the pages of a website. CMSs are able to manage multiple objects types and are designed to enable non technical users to manage web sites without the need to understand web technologies.

Content tagging is a method of assigning keywords to a piece of information. A tag can be used to help describe an item and allows it to be found again by searching or through a non-navigation method, such as a cloud tag.

Cookies are commonly used to store information from websites on your browser. A classic example of cookies being used is for the ''Remember me' feature found on many password protected sites so returning users don't have to re enter their user details.

CSS is a style sheet language that defines the presentation of a web page. CSS is commonly used to style web pages created in HTML, XHTML and XML. Well built web sites should use CSS to define elements such as font size and background colours.

CRM is used to refer to software applications that are implemented by organisations to store contact details and other information about the individuals and companies that they communicate with. CRM is also used to describe the processes that a company uses to manage their customer relationships with a CRM software application being central to this process.