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 - http://web.archive.org/web/20220801142820/https://static01.nyt.com/images/2022/07/29/opinion/29bouie-1/29bouie-1-articleInline-v3.jpg