crawl wiki:
has a number of uses:Crawling is to move in a slow, creeping fashion, usually dragging the body along the ground by using the hands and knees. The term is often used to describe the motion of infants, or to describe the motion of a particularly slow process.In swimming, a front crawl is one of techniques used to propel oneself in water.In television, a news crawl is a moving line of text usually put at the bottom of the screen.To crawl the World Wide Web or a similar medium is to visit a large number of sites, following many or all hyperlinks. The term is often used to describe how search engines gather their data. See also web crawler.Crawl may also refer to the roguelike computer game Dungeon Crawl, or to the dungeon crawl style of adventure in general.
See more at Wikipedia.org...