1. A method of creating and managing a database of meta-data sets for a plurality of objects comprising: (A) identifying a meta-data set for at least one object; said meta-data set is configured to characterize a “j”-object; said meta-data set selected from the group consisting of: a first item; a second item; an “i”-th item; and ID-j tag “i” and “j” being integers; (B) collecting a meta-data set for at least one object; and (C) creating said database of meta-data sets for said plurality of objects.