I found the following sentence in today's New York Times. Apparently, secretive jaunt of New York Mayor Michael R. Bloomberg sounds to carry some speculations. And for a foreign English learner like me, jaunt seems to be a 'less well-worn' word (Is this expression right?). What is the difference of meaning among jaunt, excursion, outing, trip, and journey?
Mayoral Sign-Out Sheet? Secretive Jaunts Spur a Thought: Angered by Mayor Michael R. Bloomberg's refusal to say where he was during the December blizzard, lawmakers may consider requiring mayors to acknowledge absences.