What is that on the far right margin?

David de Luna
David de Luna Member Posts: 48 ✭✭
edited November 2024 in English Forum

I haven't yet figured out exactly the purpose of the material that pops up in a box as I move my cursor along the far right margin of a resource. I see it's more material from the same resource (I think), but some of them I could not relate to the text directly across from it. They look like little markers of various colors. What is the meaning of this?

David

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