It would be a absolute key
A location of a file is specified by its File Path.
Path
File Path.
A file path is a notation that indicates a file's location on your computer. The file path leads you through the windows files system to your file.
A file name refers to the name of a specific file, while a path name represents the location of a file within a file system. The path name includes the file's directory structure, providing the file's exact location on a computer.
A file path is the exact location of a data file within the drive and directory that it is stored in. It is very important for an investigator to document the specific file path that was used to find the evidence on the computer. This is because the file path gives you the exact location to the file needed and the file path specifies how you found the file in the first place.
path
a file path descriptor, showing your location in the file structure
The relative path to an image is the path that describes the location of the image file in relation to the current directory or file. It does not include the full directory structure from the root but instead provides a way to access the file based on the current working directory. For example, if the image is located in a folder named "images" within the current directory, the relative path would be "images/image.jpg".
It tells you a files location on your computer.
Path
The specific path of a file can be easily located. You can just right click the file to view it's properties and path.