Text entries that are typically used to identify other entries on the worksheet. Labels are commonly used at the top of each column and to the left of each row to indicate the types of data entries in each column and row.
landscape orientation
A way of printing on a page so that when you hold the page to read it, the page is wider than it is tall. Wide worksheets are commonly printed in landscape orientation to fit more of the worksheet on a page.
See also [portrait orientation]
legend
A component of a chart that indicates what each data series on the chart represents.