─  2pc: 2 piece, referring to the first set bonus in relics or from planar ornaments.

─  4pc: 4 Piece, referring to the set bonus in relics.

─  AoE: Area of Effect.

─ BiS: Best in Slot.

─ Blast: Ability that hits 1 main enemy but also deals a smaller amount of damage to enemies next to the primary target.

─ DEF Shred: Decreasing an opponent's defense.

─ DPS: Damage per second, or referring to the main damage dealer in a team.

─ Dual Carry/ Double DPS: A team composition focused on two DPS units.

─ E0-E6: Eidolon 0-6.

─ EBA: Enhanced Basic Attack.

─ F2P: Free to Play.

─ Hypercarry: A unit who is your main damage dealer / A team composition focused around increasing the damage of one specific DPS unit.

─ IS: Inert Salsotto, a Planar Ornament Set.

─ LC: Lightcone.

─ OFA: On the Fall of an Aeon.

─ Overcap: When you have too much of a certain stat, and so it becomes less efficient compared to having more of other stats.

─ RA: Rutilant Arena, A Planar Ornament Set.

─ RNG: 'Random Number Generator', basically Luck.

─ S1-S5: Superimposition 1-5.

─ SP: Skill Point.

─ ST: Single Target.

─ SU: Simulated Universe.
─ TV: Taunt value, the likelyhood of a character to be targeted/hit by an enemy.