xml

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a noun data

is (time) date.

As a proper noun sound

is the strait that separates zealand (an island of denmark) from scania (part of sweden); also sometimes called by the danish name,.

As a noun api

is .

As a noun files

is .

As a verb files

is .

As a verb err

is to make a mistake.

As a proper noun web

is (possibly|informal|outside|attributive use) the world wide web.

As an initialism uml

is .

As an abbreviation XML

is initialism of Extensible Markup Language|lang=en It is a flexible text format for creating structured computer documents in machine-readable form.

As an acronym SMIL is

Synchronized Multimedia Integration Language