Q1. What is an "anonymous" variable?

Q2. So, I would query the db and create this anonymous variable in my script outside Obj.pm module, before the object is created, then pass a reference to it when creating the object? Then, I would keep track of when a new object would require a new version of this information (after 5000 objects with the current info in "cache" have been created and used), and then refresh this anonymous variable from new info from the db? Is that what you are suggesting?

Update: Following up on my Q2 above, I can only think of how to do this as stated above. However, I would prefer to tuck everything inside my Obj.pm, so that the anonymous variable is created inside the class, and perhaps a class method keeps track of how it is used and allocated. Wouldn't that be cleaner and more obj-oriented, so to say?