Primitive operations:
Construct
Delete (overriding Entities.Delete)
Entities.Adjust (Inherited)
Entities.Construct (Inherited)
Entities.Face (Inherited)
Entities.Object_Input (Inherited)
Entities.On_Activate (Inherited)
Entities.On_Collide (Inherited)
Entities.On_Hit_Wall (Inherited)
Entities.On_Load (Inherited)
Entities.On_Separate (Inherited)
Entities.Set_Attribute (Inherited)
Entities.To_String (Inherited)
Object_Read (overriding Entities.Object_Read)
Object_Write (overriding Entities.Object_Write)
Objects.Construct (Inherited)
Update_Frame (overriding Entities.Update_Frame)