Properties are variables of classes and instances. They are 16 bit and declared in the properties block.

Properties are not limited to just integers. They can also be declared with strings, saids, and local variable addresses.

(instance {Glowing Gem} of InventoryItem
    said '~ gem [ AND glowing ] ~'
    description "You are still carrying the piece of orium"
    view 242
    someVarAddr @SomeVar

See Also: Classes/Instances, Selectors