WC

The prefix WC refers to:
 * webcasts (audio or video broadcasts) on the BBCi and BBC.co.uk websites (primarily referring to original stories). (i.e. Real Time)
 * text stories or comics published exclusively online (i.e. 42 Prologue, The Return of the Vostok)

It does not refer to:
 * internet broadcasts of television or radio stories, even when simulcast
 * in-universe websites - see WEB