Sentence:  Before he could bring it down, the pager clipped to his belt went off. ... If you were a lawyer or a business executive, maybe you could afford to ignore your <WSD>pages</WSD> for a while, but when you were a County Sheriff &mdash; and one who was elected rather than appointed &mdash; there wasn't much question about priorities. 
Meaning of the word marked with <WSD> tags:  A message sent to someone's pager.