09e4b482_GUNDAM_G_GENERATION_WORLD_Wiki__Function
[Name in Japanese] 移動力 [Name in English] Movement [Function] 
Determines how many spaces the Unit can move. Movement can be reduced by the Unit's Terrain Ranking and Terrain features such as forests. (S = +1, A = 0, B = -1, C = -2, ...)
Stats and Weapons Explained - SD GUNDAM G GENERATION WORLD Wiki
Function