Answer:
The answer is "heading"
Step-by-step explanation:
Headings, which appear into your document must be marked simply, objectively and correctly because it shows the final report structure and enable to easy access with specific information.
- It also promotes to read the document. So, its consistency is ensured in the headings.
- In sort documents, it can't require any heading, but it Nila created a report, in which she requires heading and then she update the content of the tables, and other choices can't be described in the given scenario, that's why it is correct