How

• .path => to be included file in same dir
• ..path => to be included file in one level up directory
• ../../path => to be included file in two level up directory
• ../../some_dir/path => to be included file in two level up in <some_dir> directory
• path -> to be included file in a dir, given there is a .config.chk file is in current directory that holds a [root-dir] config holds base dir of the project, and this file appends to that path
• some_dir/path -> to be included file in a dir, given there is a .config.chk file is in current directory that holds a [root-dir] config holds base dir of the project, and this file appends to that path