A movable or removable tab, label, or other device, the presence or absence of which on the casing of a recording medium prevents writing on the medium.
Note: An example of a yywrite-protect tab is the sliding tab on a 3½-inch (
8. 85-cm) magnetic diskette of the type used in conjunction with desktop computers.

See who-are-you (WRU) character.

Synonym who-are-you character (WRU).

Web Services

Web Services Discovery and Device Profile

Web Services Architecture

Web Services Definition Language

Web Services Distributed Management

Wireless Telecommunications Systems Committee

Time signal radio station operated by NIST