(1). To lead some project or effort in hopes it gets you some sliver of recognition. It won’t. It will help the career of the guy who assigned it to you, though.
“Team, we’re going to focus on updating our client contact information database this summer. Fred here has graciously volunteered to spearhead the effort. I’ll be happy to report progress to management, of course. In the meantime, I’ll be sailing to the Virgin Islands, but should be available on BB if anyone needs me.”
(1). To explore a topic in more detail, usually during internal training sessions or strategy presentations, mainly to allow the speaker to show off his knowledge on a mundane topic that likely is of interest only to him, and possibly, his boss.