The waiting time shown is the longest a customer currently in this office has waited after taking a number. It is accurate as of the time given. The automatic numbering system in this driver licensing office continuously tracks the amount of time it takes to serve each customer after they take a number.
A Web crawler may also be called a Web spider, an ant, an automatic indexer, or (in the FOAF software context) a Web scutter. Web search engines and some other sites use Web crawling or spidering software to update their web content or indexes of others sites' web content.
n. 1. (Zoology) a web spun by certain spiders, esp those of the family Theridiidae, often found in the corners of disused rooms. 2. (Zoology) a single thread of such a web. 3. something like a cobweb, as in its flimsiness or ability to trap.