This term is used by companies that offer subscription services to clients for example, telephone carriers, Internet service providers, and hosts. It is a measure of the revenue generated by one customer phone, pager, etc., per unit time, typically per year or month.
filch. vb. 1. (tr) to steal or take surreptitiously in small amounts; pilfer. [C16 filchen to steal, attack, perhaps from Old English gefylce band of men].
http://dictionary.cambridge.org/define.a... To steal or take privily (commonly, that which is of little value); to pilfer. [1913 Webster] Fain would they filch that little food away. --Dryden. [1913 Webster] But he that filches from me my good name, Robs me of that which not enriches him, And makes me poor indeed. --Shak. [1913 Webster] http://www.freedictionary.org/?Query=fil... To take (something, especially something of little value) in a furtive manner; snitch.