TCP 

Transport Control Protocol. The high level part of the TCP/IP protocol.  

TCP creates the data packets and passes them to IP for transmission over 

the network.  It is also responsible for marshalling and sorting received 

packets, and basic packet error detection. 

TCP/IP 

Transport Control Protocol/Internet Protocol. The base protocol of the 

Internet, also used on internal networks and Intranets.  Passes data in 

routable packets between servers, and supports high level protocols like 

HTTP, FTP, etc. 

URL 

Universal Resource Locator. A combination of a protocol, host name, 

(optional) port, path and resource name.  Uniquely identifies a resources on 

the Internet. 

VB Visual 

Basic. Microsoft s entry level programming language and 

environment for Windows programming, including building components 

and specialist applications. 

VBA 

Visual Basic Applications. Microsoft s version of Visual Basic that is 

designed to be used as a replacement and extension of macros in 

applications, rather than as a stand alone programming language. 

W3C 

World Wide Web Consortium. The main body responsible for managing 

and ratifying standards for the Internet, especially the World Wide Web 

(WWW). 

XML 

Extensible Markup Language. A new markup language based on SGML, 

and designed to remove the limitation imposed by HTML.  Allows a page 

to contain a definition and execution plan for the elements, and as well as 

their content. 

XSL 

Extensible Stylesheet Language. A specialist development of XML 

designed to provide flexible ways to adding style, display and layout 

information to a document 

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