Can you explain challenges for me?

Question

I just got the app and i am confused on how challenges work, like how to win challenges. Also, what are weapons?

Answer 1

It is just a short competition between two players.Weapons are name of languages you can challenge in

Answer 2

Challenges are a short competetion of two players with 5 questions each. Who will give more correct answers than the opponent, will win. Weapons are the topics on challenges.

Answer 3

You win challenges if you have more answers right than your opponent. Weapons are just a stupid name for languages you can do challenges in.