Web design terminology beginning with the letters X Y Z

XML (Extensible Markup Language)

A method of creating markup languages that describe the structure of data. It allows web developers to create custom tags to represent published html data. XML has been developed to help large scale, data driven, web publishing projects.

Yahoo

Originally an internet directory which now has its own search engine, email and internet publishing services.

Zip

A format for compressing digital files to reduce their size for internet transmission.