The answer that is familiar to end users and forms part of their day-to-day business vocabulary is:
- A code key
Explanation:
1. A code key is a term that is commonly used by end users in their day-to-day operations.
2. A code key is a unique identifier assigned to different elements within a system, such as products, customers, or transactions.
3. End users often interact with code keys when they need to reference or identify specific items in their business processes.
4. Understanding and using code keys is essential for smooth operations and effective communication within an organization.
5. Unlike natural keys, foreign keys, or system keys, a code key directly relates to the daily activities of end users, making it a familiar concept in their business vocabulary.
