This document defines key terms related to Microsoft Excel like spreadsheet and worksheet. It outlines the objectives to define these terms, identify the parts of a worksheet, and start Excel to save a workbook. It then describes what Excel, a spreadsheet, and worksheet are. It lists and describes the main parts of the Excel window like the title bar, menu bar, toolbar, column and row headings, name box, formula bar, and cell. It provides examples of entering data into a worksheet and saving the workbook.