Why did Santa invest in a new filing system?

He wanted to keep track of all his Clauses.

Why did Frosty the Snowman have a successful music career?

Because he was a cool singer

Why did the Christmas tree go to the party?

Because it wanted to branch out and meet new people.

Why did the elves implement an "open door" policy at Santa's workshop?

They wanted to encourage more elf-expression.