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Hard disk	Magnetic disk used to store data. Most PCs contain an in-built hard disk, while removable or external had disks are also available.
Hardware	The equipment and boxes comprising the mechanical elements of computers.
HM Customs & Excise	The UK Government agency responsible for collecting customs and excise duties and VAT and for protecting against illegal imports of drugs, alcohol and tobacco, smuggling and tax fraud. Visit the HM Customs & Excise web site at www.hmce.gov.uk for further details.
Home page	The front or introductory page of a web site. The Home page often guides users to the main sections of the site or acts like the "glossy" cover of a book or catalogue. A home page can also refer to the default web page which a browser has been programmed to access every time it connects to the internet - thankfully some browsers enable users not to programme any page.
HTML	Hypertext Mark-up Language is the language used to create the documents comprising web sites.
HTML email	An email in which html has been used to ehance the graphical appearance, using colour and images etc, and provide interactive features, such as hyperlinks leading to web pages.
HTTP	Hypertext Transfer Protocol is the method of downloading HTML documents to web browsers (usually via the internet).
Human capital	The sum of the experience, expertise, knowledge and commitment of all the people in an organisation.
Hypertext	A means of linking and cross-referencing HTML documents, so that users can move directly from one to another at the click of their mouse.