The term 'BATTER'S STAT' refers to the statistics of a baseball BATTER. The three letter solution AVG stands for AVERAGE, which is the batting AVERAGE of a BATTER, calculated by dividing the number of hits by the number of at-bats. The seven letter solution AVERAGE is also related to batting AVERAGE, but it is usually used to refer to the overall AVERAGE of a team or league. The three letter solution RBI stands for runs batted in, which is the total number of runs a BATTER has scored by hitting a ball. The four letter solution RBIS stands for runs batted in, but it is used as a plural form.