WordArt: Stylized text objects that you use to add pizzazz and emphasis to headings and other text in Excel 2007 worksheets.

workbook: The basic file type that you create when you use Excel 2007. A new workbook consists of three worksheets by default.

worksheet: The main document that you work in when you enter data into cells within Excel 2007. A worksheet is stored in a workbook file.

worksheet area: The portion of an Excel 2007 worksheet in which you enter cell data and add objects such as charts and graphics.