There are red keywords at the top of the main Forum page that link to the Sandbox as well. It is a place to learn the simple html commands commonly used on FR so you can make your posts readily legible, and also learn how to post photos or graphics.
[[so you can make your posts readily legible,]]
Hmm, thanks, but I think my posts are readily legible enough- The brackets keys are indication enough that a quote is being posted- many people use it-