A transient disturbance to, or momentary interruption of, a communication channel, power supply (especially that provided via a commercial electric power distribution network or grid, but not limited to same), etc. 2. A match of a data item to a prescribed criterion or criteria. Note: For example, each of the matches from a search engine is called a “hit.” 3. The access of any item, such as a page or a graphic image, from a Web server. Note 1: Hits are recorded for the purpose of assessing traffic/interest in a web site; many web sites have a commercial sponsor who pays a small amount per hit for displaying the commercial advertisement on that site. Note 2: The number of hits on a web site is not synonymous with the number of distinct visitors. 4. The number of document requests being answered by a server.