Theese are some of the HUD stats i would use.
VPIP (vulentary put money in the pot)
Tells you how often a player put money in the pot, how loose or tight they is.
AF (Agression factor)
Tell how agressive they play their hands
Fold to 3 bet
Usefull tell on how ofte the fold to 3 bets.
Start 3 betting those with a high % more often
Fold to c bet
Usefull to know how often they call and fold to c bets.
Steals
Usefull to know how often BNT and CO stab a the blinds
3 bet
How often this player 3 bet
C bet
How often this player c bet
There are a massive ammount of data you can see, but try and go for the basics
and make good use of the info you get from it.
Dont put on too much as it will look confusing untill you get a hold of it.
Play accordingly and get the most out of it.
ALSO - the HUD is just a guidance