What does the different settings for crawl scope mean?

This article describes the settings under Application details for web applications.

Limit to URL hostname

Examples:

• Target set to:
  • http://www.yourbusiness.com/
• Scans:
  • http://www.yourbusiness.com/subfolder1/
  • http://www.yourbusiness.com/subfolder1/subfolder2
• Doesn’t scan:
  • http://admin.yourbusiness.com/

Limit to content located at or below URL subdirectory

Examples:

• Target set to:
  • http://www.yourbusiness.com/subfolder1/
• Scans:
  • http://www.yourbusiness.com/subfolder1/
  • http://www.yourbusiness.com/subfolder1/subfolder2
• Doesn’t scan:
  • http://www.yourbusiness.com/subfolder3

Explicit URLs to crawl

Add explicit URLs to crawl outside your selected crawl scope. This means that these URLs will be crawled even though they are not linked from a page within your crawl scope.