It's when you have a cool plan and then you can be like haha look at me I have a master plan
Wow look at me I have a master plan
A plan that you've schemed out and know is gonna work. Perfect for explaining to someone through song
Grover Fischoder: Would you like to hear my master plan?
(silence)
Grover Fischoder: Okay, could you answer faster? 'Cause I asked you: Would you like to hear my master plan?
Louise: Uh, yes?
Grover Fischoder: Okay, that's more like it, I'm so glad that you asked!
Every city, from New York to California, has developments that are or were once called master-planned before or after being built.
Master-planned buildings are in every city, they're both new and old, there were master-planned buildings being built long before World War 2.