Lingua Latina is a pedagogical masterpiece.
I was extremely excited when the collection came to Logos, but the functionality does not at first glance seem to parallel the experience of the books.
So here's a trick that I use to make the Logos Lingua Latina experience more familiar.
Open up Lingua Latina in one panel, then open up Power Lookup in another. (You may have to drag the Power Lookup Panel beside Lingua Latina.)
You get a setup that looks like this:

Voila! Now the sidebar dynamically updates to match the current links on the page.
You can even click on the references in the Power Lookup sidebar to find where that grammitical note is used in the text.

And, if you happen to see a blank link in the power lookup window:

Click on it, find the reference, and then click on the asterisk to see the beautiful color image:

Hope that helps!