Not traverse per se, but establishes a traversable path. All links have some kind of directionality - definining how you can move among the anchors. Directionality which of the possible traversable paths will be considered valid. See below for options. No path exists coming back from the target anchors to the initiation anchor.
Traversable paths are exclusively between the initiation anchor and the target anchors.
There are no traversable paths between the target anchors, unless created through a completely different link. We need a better word for this. Synonymous with initiation anchor. Don't clutter the XLink standard with extra layers. Keep the kernel simple, and build on top of it.