Your two cards, plus the five in the middle. What is the best five-card hand you can make? Take as long as you like.
The five in the middle — everyone shares these
Your two cards
The five cards that make your hand
This is the single most common beginner mistake — not knowing what you are holding. Remember you only ever use five cards. Sometimes both of your cards play, sometimes only one, and sometimes neither: if the five in the middle are already the best hand, everyone still in has exactly that hand.