Re: 1.4 h: Explainer?

[Liora Alschuler:]

| This is a link caption so call it a "link caption" or if there are
| reasons not to use caption, then some of the other common words
| already used to describe what it does: "link title" or "link subtitle"

I don't like "explainer" either (there seems to be a consensus
building on the dislike, anyway), but "caption" is too
presentationally specific; you wouldn't want to call this a caption if
it were an item in a menu list, for example.  I would suggest "label"
(that is, more formally, "link label").