For example, whether account numbers or dimension codes are different.
You must correct errors before you can run the report.
This company is typically referred to as the "consolidated company." The consolidated company is just a container for the consolidated data, and does not have any live business data.
The companies that you include in the consolidated company become Business Units in the report.
The next combination of selected dimensions and date with the same account number is processed, then the combinations in the next account number are processed, and so on.