Format I use for writing my campaigns

This is for one of my friends but I thought I might as well post it here too:) 
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Over-arching plot:  Where you want the players to start, and where you want them to end
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Session Overview: What the general idea for the session is, start and end
Location; 
Conflicts:
Notable NPCs:
*Key Moments:
Encounter 1:
Encounter 2:
Encounter 3: 
Encounter 4 (Tie-up encounter or cliff-hanger):