I guess the best answer is Virus.
Virus is a malicious computer program that is designed to create annoying glitches or destroy data.
This is about identifiers in a record referring to other records.
You can have many to one, one to one, many to many.
E.g., if you have two tables, Authors and Books, then a book record could have a reference to an author record. Since an author can write many books, this would be a many-to-one relationship.
The one cell evolved into different categories by adapting to its human/animal/plant’s habitat
