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/20201008215716/https://www.francetvinfo.fr/pictures/oWrlCkmg1EB-TErNtQxME77qZRc/315x177/2020/10/01/phpSHdhDL.jpg