What is the difference between a workbook and a worksheet?

Here is a tip:
Workbook refers to an Excel file and worksheet refers to a sheet of that file.

Explanation
A workbook is the term used to describe an Excel file that contains several worksheets. The name of a workbook can be seen in the window's title bar.

The worksheet refers to a type of sheet. Rows and columns make up a worksheet. A sheet's name can be found on the sheet page.

Verified Answer
A workbook is an Excel file that includes several worksheets, whereas a worksheet contains data in a row-and-column format.