VPIP The percentage of hands where the player voluntarily put money on the table on preflop street.
LIMP The percentage of hands where the player called the big blind or checked as the big blind (preflop).
PFR The percentage of hands where the player raised or re-raised (3bet, 4bet,...) on preflop street.
3 Bet The percentage of hands where the player 3bet on preflop street (first action or not).
Fold to 3 Bet The percentage of hands where the player's first preflop action is a raise followed by a fold when facing a 3bet.
C-Bet The percentage of hands where the player's last preflop action is a raise followed by a bet on the flop.
Fold to C-Bet The percentage of hands where the player's last preflop action is a call to a raise followed by a fold to a bet on the flop street. The flop bet does not necessary come from the preflop last raiser.
Aggression f. Aggression frequency: (#bets + #raises) / (#bets + #raises + #calls + #folds), computed over all streets.
Won WSF Won when saw flop: Percentage of hands where the player won chips (strictly greater than 0) after seeing the flop.
Steal The percentage of hands where the player's first preflop action is an open raise (no previous limpers) from late position, button or small blind seats.
Fold to steal The percentage of hands where the player's first preflop action is a fold to another player's steal.
Keep in mind that every indicator is not necessarily computed from the whole set of hands. As a result, indicators cannot be added.
For example, 3bet is computed from the hands where the player had the opportunity to 3bet because someone raised before.
3bet is the proportion of hands the player actually 3bet, given the 3bet was possible.