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/20190614221133/https://osc.gov/Resources/Report%20to%20the%20President%20re%20Kellyanne%20Conway%20Hatch%20Act.pdf