There are two different types of cardamom, green cardamom, and black cardamom.
Green cardamom, or "true cardamom," is used in sweet dishes and can help develop a deeper flavor in baked goods such as cookies and cakes.
Black cardamom has more of a smokey flavor and is useful in savory dishes.
Cardamom is a staple ingredient in many Indian, Middle Eastern, Arabic, and Swedish dishes.