AMBAC – Chance to dodge attacks.
Beam Cartridge – Accuracy when using beam weapons. Does not include sniper rifles.
Critical – Increases chance to get critical hits. Also increases damage done to shields.
CQB – Attack power and accuracy when using beam sabers, swords, axes and naginata.
Defense – Chance to block with a shield.
Emergency Repair – Chance for emergency repair kits to work.
Engagement – Accuracy. Affects all weapons at any range.
Near Engagement – Accuracy when attacking targets at distance of 700m or less. Affects all weapon types.
Ranged Engagement – Accuracy when attacking targets at distance greater than 700m. Affects all weapon types.
Hand to Hand – Attack power and accuracy when using claws and grapple.
Mobile Suit – Determines what MS you can use. Having insufficient skill will give a penalty to your accuracy and dodge. Having more skill than required will give a bonus to your accuracy and dodge.
Shell Firing – Accuracy when using shell firing weapons.
Shooting – Attack power when using beam or shell weapons. Does not include sniper rifles.
Sniping – Accuracy and attack power when using sniper rifles.
Tactics – Attack power. Affect every type of attack.
Weapon Manipulation – Not used anymore.
Arms Construction –Determines what weapons you can build at the factory. Higher skill=Better chance for success and EX version.
Battleship Construction –Not used.
Clothing Manufacturing –Determines what clothes you can produce at the tailor.
Mining –Higher skill=Better chance to get valuable materials and items.
MS MA Construction –Determines what MS and vehicles you can build at the factory. Higher skill=Better chance for success. It is best to have more skill than the required minimum when building a MS, if not fail rate can be very high.
Refinery –Determines what materials you can produce at the refinery.
Strength – Attack power. Affects all types of attacks.
Spirit – Accuray, chance to get critical hit and chance to block with shield.
Luck – Chance to dodge attacks.