You can add a words legend in Google Sheets by selecting a data range on the Label box within the Chart Editor sidebar for graphs.

We show you how to label a Legend in Google Sheets. If you want to make your charts easier to understand, then doing this is a good idea!

Learn how to automatically generate Charts and Graphs in Google Sheets. Charts and Graphs are a useful tool used for conveying information to clients.

How to Make an Address Label Spread Sheet in Google Docs. The free Google Docs online document service includes a spreadsheet feature that you can use to create a spreadsheet from a data file.