What 6 items are on the seder plate?

There are 6 food, or items on the Seder Plate:

Maror-Bitter herbs, symbolizing the bitter treatment of the Jewish slaves.

Charoset- A sweet brown mixture, symbolizing the mortar the Jewish slaves used to build warehouses.

Karpas- A vegetable (other than bitter herbs), usually parsley dipped in salt water, the salt water representing tears from the pain of the slaves.

Beitzah- A hard boiled egg symbolizing the mourning of the slaves.

Z'roa- A roasted lamb or shankbone, chicken wing, or chicken neck symbolizing the Korban Pesach

Chazeret- Another form of bitter herbs, usually lettuce, symbolizing people of the lower status.