framework we're no longer talking about just a reward we're talking about a reward vector now each of these tasks is going to give you its own individual reward so let's say you're here and you're actually turning right this is going to give you a reward of one for this task but reward of zero for the other task okay so the environment will somehow tell you which tasks you you get reward for now there is a notion where you can map this back to a single number and that is the second thing they introduce here so the second thing they