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/20201008215719/https://www.francetvinfo.fr/pictures/33bd0X-I_fda2pMgRzotV8A-FJI/315x177/2020/09/22/phpXzv8i6.jpg