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/20201008215715/https://www.francetvinfo.fr/pictures/xiWt7QYWMH7Q27rOETIPLFDSgX0/315x177/2020/10/02/phpfsfAlP.jpg