How do we make all the pieces fit successfully together?

And at least one piece of the puzzle now fit.

He had to put a crime together in his mind so all the pieces fit.

Much of the fun comes from finally learning which piece fits where.

"Then it became a case of making the pieces fit."

I needed to figure out how all the unusual pieces fit together.

The pieces didn't fit yet, but they were beginning to take shape.

Then you will understand how all the pieces fit together.

Her mind was still trying to make the pieces fit.

"It's taking time to understand how all the pieces fit together."