Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
The Wayback Machine - https://web.archive.org/web/20240226023341/https://cdn-dynmedia-1.microsoft.com/is/image/microsoftcorp/gldn-Hero-MicrosoftComplete-Devices:VP4-1260x600