What does this icon mean?

This allows you to save all of the files individually on your computer. Once you have clicked on this link, choose to save this file to your computer and when it has finished downloading (which may take several minutes, depending on your modem), double-click on the file to open it. In the dialogue box that appears, choose to 'unzip' the files and this will then create a folder containing all of the individual pdf files as listed above.