Can you define the term increment as it is used within agile scrum?

The interviewer is asking for a technical definition of a term within the agile scrum process. By now, you recognize this and know how to answer it and a concise and straightforward manner.

"An increment is a common term with agile scrum and refers to the total of all items which were accomplished during the current sprint. These items can be part of the current sprint or leftovers from the previous sprints. It is important that increments or completed before moving on to the next sprint."