../images/logo.png
will move you back one folder.
../../images/logo.png
will move you back two folders.
/images/logo.png
will take you back to the root folder no matter where you are/.
../images/logo.png
will move you back one folder.
../../images/logo.png
will move you back two folders.
/images/logo.png
will take you back to the root folder no matter where you are/.