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WIM

The Wireless Identity Module is a data module for electronic identity certificates. It can contain both trusted and client certificates, private keys and algorithms needed for WTLS handshaking, encryption, decryption, and signature generation. The WIM module can be placed on a SIM card, called a SWIM card.

WML

Wireless Markup Language. A markup language used for authoring services, fulfilling the same purpose as HyperText Markup Language (HTML) does on the World Wide Web (WWW). In contrast to HTML, WML is designed to fit small handheld devices.

WTLS

Wireless Transport Layer Security. Part of WAP, WTLS provides privacy, data integrity and authentication on transport layer level between two applications.

W3C

The main standards body for the WWW.

xHTML

Extensible Hypertext Markup Language. A reformulation of HTML 4.01 in XML. Being XML, means that XHTML can be viewed, edited, and validated with standard XML tools. At the same time, it operates as well as or better than HTML 4 in existing HTML 4 conforming user agents.

XML

Extensible Markup Language. An initiative from the W3C defining an ‘extremely simple’ dialect of SGML suitable for use on the WWW.

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Terms and definitions