The similarity is that the nucleus is the control center of the cell and the control booth is the control center of an auditorium.

This analogy connects the back stage crew to the Ribosomes. This is because when the ribosomes build parts for the cell the back stage crew builds things for the play.

They let the audience people in that have tickets and the people without tickets aren’t allowed in.

The chloroplast makes the food for the cell. The concession stand makes food for the audience and performers.

All of the fluid in the cell is like all of the people at a play or any performance.

After the play when they is a lot of garbage the custodians or lysosomes go and clean up all of the mess.