Either hits or homeruns
an at bat
batters faced
Games Started
Assists i think
Chances
"R" is for runs scored which means the number of times a player crosses home plate.
Left on base.
Stolen base average
There is no standard stat with the abbreviation of FA.
e is for errors and hit is for hits. This is used in baseball and softball
PIT is pitches thrown or pitch count.
It means the % of fouls there are in a game