The French fullback enjoyed an impressive stint on-loan at Portsmouth last season.
Traore told arsenal.com: "I've talked with the boss. He says I need to work hard and be patient and that's what I'm going to do.
"I played a good amount of first-team games at Portsmouth. I think I've learnt a lot and have improved.
"But I will need to work on my positioning defensively because there's a lot of stuff I can improve on.
"I need to start using my right foot if the boss wants me to play left-midfield. [I will have to] learn how to go inside and dribble with my right foot."