"Folder" in TouchDesigner always refers to a Windows operating system directory/folder that contain files and other folders.
In contrast, a TouchDesigner "Path" is internal to TouchDesigner. A Path is a location of a node, which may be a component containing other nodes.
Files on the internet can be referred to by their URL:
The operating system's holder of files and other folders (directories). It does not refer to operators within TouchDesigner. See Network Path.