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/20200916234846/https://camo.githubusercontent.com/d5706a066a54428ef5d56aff2b7c577cec8b261a/68747470733a2f2f637573746f6d65722d73746f726965732d666565642e6769746875622e636f6d2f637573746f6d65725f73746f726965732f6e7562616e6b2f6e7562616e6b312e6a7067