If you can establish those 4Cs: code, company, category, country, a lot of data problems go away. You know where everything is. You know what kind of thing it is. You know who owns it. And you know it's unique.

When you're trying to codify a relationship, when you're trying to structure a relationship, we find that these 4Cs help simplify the process. Every entity, every record, every relationship needs to have these 4Cs: code, company, category, and country.

When you establish a relationship in an MDM process or in a Master Data process when you codify a relationship, we talk about these 4Cs : CODE, COMPANY, CATEGORY and COUNTRY.