Answer:
The field that is used to sum the fields that are relevant in the list and show in the main record is known as roll up field.
Explanation
The universal containers are used to contain all types of products information for the purpose of security and management of data.
It is required in the document that, we have to mention the quotes at different places along with their name. So, we use roll up field to manage the quotes of same product name at different lines of the document.
