A big board in baseball is where their win scores are.
Act 1 is in the orphanage & towards the end of Act 1 they're at the frozen Lake Act 2 starts on the Road to sweetieland - then to the entrance to the Wedding with the open mouth, then into the weeding with the big cake. The Act finishes back in the orphanage.
The Big Three!!
large
Staircase is a huge pile of stair steps that helps us in leading to a building room, mostly noticed in big official organization such as schools, colleges, hospitals, courts, banks etc. They are usually noticed at the entrance point.
The Big 12 Conference was established in 1996 from the former schools of the Big 8 Conference and four schools from Texas that were in the disbanded Southwestern Conference.
as long as a big road
This is not an exact analogy, although entrance can be considered the opposite of exit. The "opposite" of minute (small) would be large, big, or huge.
So the Pharaoh could make a big entrance.
48,550 acres is what it says on the gate entrance
Crocodiles are big
Big Ben isn't open to the public except by special invitation from a Member of Parliament.