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/20221128032019/https://user-images.githubusercontent.com/1221423/169618716-fb17528d-f332-4fc5-a11a-eaa23562665e.png