http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Windows 10 for dummies organizing files & apps course
Viewing hidden files or folders in Windows 10
Windows stores files on your computer that it needs to operate your computer; they're hidden by default because you shouldn't need to alter them. This video explains how to find and view hidden files if you're curious about what they contain.
Title from resource description page (viewed May 21, 2018).