For example, a label of "liquid: Water" means Water items might flow and these items are the values of the property "liquid," i.e., the values of the "liquid" item property are the instances of Water flowing at any given time.
For example, a label of "liquid: Water" means Water items might flow and these items are the values of the property "liquid," i.e., the values of the "liquid" item property are the instances of Water flowing at any given time.