People often hide cells of worksheet due to different reasons. This means that row 4 is hidden.
A worksheet is commonly know as a sheet of paper/computer sheet with which work is done or performed.
An individual can hide any worksheet so that it can be removed from their view. The data in hidden worksheets is not visible to the person, but it can still be referenced from other worksheets and workbooks. One can unhide hidden worksheets if need be.
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