Jan_Dittrich added a comment.
After the weekly engineering meeting we decided the following:
Expand-link
We start with the adding a line below the link-option (border bottom and changing the width of the link to the width of the expanded term box
Later we may add a full box around it instead of
JGirault added a comment.
I'm gonna give my 2 cents on the topic:
Design critique
The current version (blue link preceded with right or down arrow) is, I believe, very inconsistent with any other user interface.
Introducing a line below the text does not make it more intuitive to me. I'd rather