CQB = Close Quarter Battle, increases the damage done by Attacks with FISTS Icon
RNG = Increases damage done by RANGED weapons (other than fists if you get what I mean)
DEF = The higher the value the less damage you take if you got hit
EVA = Increases Evasion chance
HIT = Increases Accuracy or Hit Chance
SKL = People said it increases crit chance?? Not sure though but need for some kills such as Second Attack

Air/Water/Ground/Space Adaptibility = Increases evasion rate if you are on that terrain


SP = Used for Spirit
Focus = Used to enable certain attack, Also increases damage done to enemy. Basically, the higher your Focus the higher the damage, Normal Max limit is 150 but can be increased with Skills and Parts.
Shown as 100/150 (Current Focus/Max Focus)

HP = Do I really need to explain what HP is?
EN = every boxes you move costs 1 EN, it is also used for some attacks
Sight = Accuracy
Mobi = Evasion rate
Move = How far you can move

Sometimes during Your Turn you'll see Plc/5 or Plc/10 on enemy. Basically it means Placement

Plc/5 = Increases damage done to enemy by 5% when surrounded by 3 of your allies
Plc/10 = Increases damage done to enemy by 10% when surrounded by 4 of your allies

https://akurasu.net/wiki