-template-..-2f..-2f..-2f..-2froot-2f

The sequence you provided, -template-..-2F..-2F..-2F..-2Froot-2F , is a classic example of a Path Traversal

The string -template-..-2F..-2F..-2F..-2Froot-2F is a representation of a path traversal attack -template-..-2F..-2F..-2F..-2Froot-2F

If this is for a "root" directory in a file system or software project: Root Directory Overview The sequence you provided, -template-

But in your string:
-template- at the front might be a placeholder for something like ?file=-template- or part of a filename expected by the server (e.g., include(-template- . ".php")). The sequence you provided