Expanding upon the story of the Exodus

In the Haggadah it is written: “Whoever expands upon the story of the Exodus from Egypt is worthy of praise” (Rambam, Hilkhot Hametz uMatzah 7:1). 

What does it mean to "expand upon the story?"  Once we define this, let us expand upon the story throughout our seder tonight.


haggadah Section: Introduction