Go to the UESP.
Look at the number of customisable slots in Daggerfall.
Look at the number of spell effects in Daggerfall.
Look at the number of skills in Daggerfall.
Then, retreat to your bed and cry for a week lamenting the loss.
It is an undeniable fact that Skyrim doesnt offer 10% of the character building paths that Daggerfall has.
Most of the skills in Daggerfall were extremely shallow, and some completely pointless. The character creation also allowed you to make a god character right from the beginning, with the only payoff being slower leveling.
I do agree that there should be more armor slots and
far more spell effects, though. At this point it doesn't seem like we'll be getting pauldrons and greaves and the like back, but hopefully we'll see a Spell Tome DLC in the future that brings back some of the old favorites.
Mark/Recall and Levitation have to stay gone, though. Or make it so they can only be used in exterior cells; they
completely break the majority of the dungeon designs.