Strength - Influences Physical Damage output
Str% - Damage multiplier. 100 Str% would mean twice the normal damage.
Def% - Defense multiplier. 100 Def% would mean immunity to physical attacks.
Magic - Influences Magical Damage output
*Mag% - Damage multiplier. 100 Mag% would mean twice the normal damage.
Mdef% - Defense multiplier. 100 Mdef% would mean immunity to magical attacks.
*Spi - Influences Healing input/output.
Agility - ATB bar multiplier. Influences how fast it fills.
Accuracy - Hit rate. (not yet planned / using default.)
*Evasion - Evasion rate. (not yet planned / using default.)
*Luck - Influences Critical Hits, Steal ratio and items found in the field.

As you see there is no regular Defense nor Magic Defense stat. Def% & Mdef% cap at 100*, while Str% & Mag% cap at 999. All percentage based stats are bound to weapons and weapons alone.

Med-RF
Creates medicines from items & other medicines. (Think Med-RF & Med-LV+ together.
ST-RF
Creates negative status-inducing items.
Supt-RF
Creates positive status-inducing items & support items in general.
NeuATK-RF & ElemATK-RF
Creates bombs & elemental magic items, respectively.
Weap-RF
Creates weapons.
Prtec-RF
Creates Protectors.
Accsry-RS
Creates acessories.
Tool-RF
Creates Refine-exclusive tools.

Battle Algorithms - 40%
Refine System ----- 25%
Artwork ----------- 00%
Sprites & backgrnd- 00%
Databasing -------- 20%