"4" DUNGEON TYPES:
- Public (you will find other players in these, always a boss at the end)
- Solo (quest based)
- Group (for 4 players, multiple boss's)
- Veteran (alot harder than group dungeons)
MAPS:
http://esohead.com/map#439.2.50.50
This should help navigate a bit, just click on the map where u want to look.
You can use the filters on the right to find specific things.
GROUPING:
Press "P"
At the top right of the window that opens, you will see 2 icons, "Your Group" and "Grouping Tools"
Handy little tool that.