It is relative to another path that is unknown. You need to transform it as absolute|absolute path before accessing any file.
Relative path vs Absolute Path
Below is an example of a relative because it does not start with a root (prefix)
Below is an example of an absolute path because it does start with a root (the Linux root)
Relative file paths are much more portable because they don't depend on the whole path.
Therefore your files can be installed in two different directories. Via a configuration, your application can calculate the two differents absolute path
Not an file identifier
Therefore, it does not identify uniquely a file and needs to be transformed as absolute path.
How to get an absolute path ?
To get an absolute path from a relative path, you need to concatenate:
- to the relative path
By default, the absolute path applied is the working directory (known also as current or default directory).