re: Louisiana one win away from trip to Williamsport

Ok help me understand little league real quick. I grew up in a Dixie area only. In Dixie. You sign up for a league not a team. You have a league wide tryout for first year players for that age league and then the coaches have a draft even though some players are gonna be put on certain coaches through agreements. Then you play a league season and an All start team is picked from the whole league. And that team represents your area in the state tournament and Dixie World Series etc. So do I understand LL correctly that the teams we are seeing play now played together as a team in their league. So instead of it being a league wide all star team, the team that wins the league advances to compete in the regional, World Series etc? How do they divide up teams from the same area for league play?