Components of a Spreadsheet (MS Excel 2003)

Here is your spreadsheet and its components: 

Spreadsheet - it is used to show various accounting data in rows and columns for analysis and organization. The computer application program version of it will display similar accounting spreadsheet to manipulate data in rows and columns.

Worksheet - is a single page in an excel spreadsheet.  It has cells organized in rows and columns, which can contain numbers, text, or formula.
Workbook - can contain several Worksheets.

Name Box - displays the active cell.
Formula Bar - displays the data or formula in the active cell.
Cell - is the rectangular box in the worksheet organized in rows and columns.  It starts in column A row 1 of the worksheet, and can contain numbers, text, or formula.  A cell can reference to another cell within the same worksheet or in another workbook.
Grid lines - lines that separate cells
Row & Column Headers - reference used to name the active cell.
Sheet tabs - tabs used to shift from one worksheet to another.
Scroll bars - used to move the screen up, down, left, or right.