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| Workbook | An Excel file with one or more worksheets. |
| Worksheet | The work area for entering and calculating data made up of columns and rows seperated by gridlines (light gray lines). Also called a spreadsheet. |
| Cell | A cell is the intersection of a column and a row on a worksheet. You enter data into cells to create a worksheet |
| Active cell | The active cell contains the cell pointer--a dark outline around the cell. |
| Formula bar | As you enter data in a cell, it simultaneously appears in the Formula bar, which is located above the worksheet frame. |
| Cell reference | The location of a cell in a worksheet identified by its column letter and row number. This is also known as the cells address. |
| scroll | A way to view locations on the worksheet without changing the active cell. |
| Sheet tabs | Tabs that appear at the bottom of the workbook window, which display the name of each worksheet. |
| Tab scrolling buttons | Buttons that appear just to the left of the sheet tabs, which allow you to scroll hidden tabs into view. |
| Blank workbook | The Excel default workbook contains three worksheet tabs or sheets. |
| Template | A workbook with certain labels, formulas, and formatting present, saving you time in creating commonly used forms, such as invoices or purchase orders. |
| Label | Text in the first row or column of a spreadsheet that identifies the type of data contained there. |
| Defaults | The standard settings Excel uses in its software, such as column width or number of pages in a workbook. |
| Undo | The command used to reverse one or a series of editing actions. |
| Redo | The command used to redo an action you have done. |
| AutoComplete | A feature used to complete an entry based on previous entries made in the column containing the active cell. |
| Pick From List | A shortcut used to insert repeated information. |
| AutoCorrect | A feature used to automate the correction of common typing errors |
| Spelling Checker | A tool used to assist you in finding and correcting typographical or spelling errors. |
| Value | A number entered in the worksheet. |
| Numeric label | A number entered in the worksheet as a label, not a value--such as the year 2002 used as a column label. |
| Label prefix | An apostrophe (') used to indicate that a number is really a label and not a value. |
| Series | A list of sequential numbers, dates, times, or text. |
| Standard column width | The default number of characters that display in a column based on the default font. |
| Formula | An instruction Excel uses to calculate a number. |
| Mathematical operators | Symbols used in mathematical operations: + for addition, - for subtraction, * for multiplication, / for division, and ^ for exponentiation. |
| Order of mathematical operations | The order in which Excel performs the calculations specified in a formula |
