OBP = On base percentage(number of times play got on base divided by at bats)
SLU = slugging percentage. (average number of bases earned per hit)
BA = batting average ( the number of times a player got a hit divided by the number of at bats)
FP = Fielding percentage ( the number of times a player made a clean play, whether the runner as safe or out, divided by the number of times they touched the ball)
E = error ( when a fielder makes an error)
S = steals (when a runner steals a base successfully)
SA = steal attempts ( the number of times a runner tries to steal a base)
Either hits or homeruns
an at bat
Depends on who hits it.
batters faced
Games Started
Chances
Assists i think
"R" is for runs scored which means the number of times a player crosses home plate.
yes
Left on base.
Stolen base average
There is no standard stat with the abbreviation of FA.