Number

Numbers are symbols for distinguishing identities. One way of using numbers as symbols is Wikidata Q identifier in Wikidata.

Important References

Tobiaz Dantzig has a book called: Number: The language of science.

Quotation

Ten cycles of the moon the Roman year comprised: 
This number then was held in high esteem, 
Because, perhaps, on fingers we are wont to count, 
Or that a woman in twice five months brings forth, 
Or else that numbers wax till ten they reach
And then from one begin their rhythm anew. 
— Ovid, Fasti, III.