Armor points refer to how effective the armor is against preventing damage, the higher the number, the better.
The headsman armor has no codes, anything.
No - Light armor is leather, cloth, etc. Plate armor is considered heavy armor.
There is no Dragon Priest Armor, only their masks.
you have to make it yourself
There is a mod for skyrim which allows you to give your horse armour (it makes your horse practically invincible btw), but without the mod installed, horses can't wear armour.
No, the actual look of your armor has no affect on stealth. However, the weight of it does.(the lighter the better)
There are Falmer helms, torso armour, shields, and weapons.
yes go to skyrim wikia.
It is daedric armour!
Random Items, Daedric artifacts, Daedric sword with full blacksmith+ armor with blacksmith on it, then enchanted with armor with + enchanting
There is currently no way to duplicate anything, except the Oghma Infinium and armor
There are no fixed locations, they just start appearing when you are at a high level.