Final answer:
Data aggregation is the process of combining data from different item attributes or characteristics to build a code.
Step-by-step explanation:
In the context of building a code, the process of combining data from different item attributes or characteristics is known as data aggregation.
Data aggregation involves collecting and organizing data from multiple sources or fields to create a unified dataset.
For example, if you have a database with information about students' names, grades, and attendance, you can aggregate the data by combining the attributes of each student to create a comprehensive profile.