+Elemental: The innate attributes of every living creature, on average most living creatures have 1 attribute.
+World Domain (One World): Pinnacle Skill For living creatures
+Palace World: High Skill For Knight
+Mind World: High Skill For Mage
Classification>
+Rank Difference: Means that if you want to increase the rank of the power stat, it requires 10 ranks from the bottom to equalise. For example, if above rank A is A+ (A>A+), then it means that to reach Rank A+ requires 10 Rank A to be able to reach Rank A+.
Artifact:
Common class: normal artifact
Rare: gives an effect to the artifact lightly
Epic: gives an effect to the artifact strongly
Phantasm: The effect of the artifact is very strong and can have an impact on its surroundings.
Myth: Can affect the world itself and influence it in its own way.
Genesis: creates the world itself.
...
...
(...): Able to destroy the world and create the world and influence the laws of the universe for a while (Laevateinn)
Ragnarok: Able to start and destroy the universe and the laws of the universe. (Only owned by The First Old God and The Chaos)
Skills:
Level 1~10 (mastery)
Level 11 (max mastery)
Level 12 (Original skill)
Level 13 (Ability to create World Skills) (Such as Mind World for Mage and Palace World for knights)
Level 14 (the highest level of mortal beings that reaches the peak by combining experience, soul, strength, etc. into one skill called One World) > able to create the world itself
Level 15 (Half-Imortal level, little information about this but one of the skills is Hero World from Ancient Heroes) > change the rule of law in a world
Level 16 ~ ??? (Immortal level, not much information)
Undefined/Omni Level (The highest level, only possessed by The First Old God, The Terror and The Chaos.)
Rank:
G (Mortal Low)
F-~D+ (Mortal Middle)
C-~A+ (Mortal High)
S~SS (Mortal Highest)
SSS (Mortal Pinnacle)
Undefined ~ Undefined (Half-Imortal)
Infinite ~ Infinite (Immortal)
Omnipotent ~ Omnipotent (Primodal) > The Terror, The Chaos, First Old God
Monsters:
G-~D+ (Baron) monsters with life-threatening danger
C-~A+ (Earl/Count) monsters with city-threatening danger
S (Marquis) monsters with country-threatening danger
SS (Duke) monsters with continent-threatening danger
SSS (King) monsters with whole world threatening danger
Undefined ~ Undefined (...)
There are other classes but they are for concepts, the classes above are classes for objects or creatures.