Roles explained

Top: This lane is for the most broken champs, very high damage champs that seem to take no damage from tower with no resists or bonus hp.

Jungle: Don't fill the teams needs just pick one of the few bursty AD champs that can clear fast and gank non stop very early on.

Mid: You have to carry or hope that top or jg can.

ADC: Take all the farm and assist enemy team, first to die in fights and gives up very early on.

Support: Share lane with the worst player on your team and watch him take all the gold for nothing, feels bad.