definitiona of workbook, worksheet,a cell and a cell reference in excal?

Workbook: A workbook in Excel is a file that contains one or more worksheets. It is the main document that you work with in Excel, and it can contain data, charts, formulas, and more.

Worksheet: A worksheet is a single spreadsheet within a workbook. It consists of rows, columns, and cells where you can enter and manipulate data. Each workbook can contain multiple worksheets.

Cell: A cell is the basic unit of a worksheet in Excel. It is the intersection of a row and a column, and it can contain text, numbers, formulas, or other types of data. Each cell is identified by a unique address, which is a combination of the column letter and row number (e.g., A1, B2, C3, etc.).

Cell reference: A cell reference is a way to identify and refer to a specific cell or range of cells in a worksheet. It is used in formulas, functions, and other calculations to perform operations on the data in the referenced cells. Cell references can be absolute (fixed), relative (adjustable), or mixed (partially fixed and partially adjustable).