The d means it's a directory (i.e. a folder). The three sets of rwx refer to the right to read from, write to, and execute programs from that directory, for its owner, his group, and all other users on the system. A hyphen (-) signifies that the user/group does not have that particular right.
Those two xx's in the middle of your example are wrong.
Also: if you don't know exactly what you're doing with regard to permissions, BE CAREFUL and better just leave it alone.
It's very easy to render large parts of your data inaccessible and/or make your machine completely unusable.
What are you trying to do?