Jaunt means exploring or taking a journey, but it’s a short one
The second one since in a reflection you reflect your thoughts toward something
In Brueghel's painting, the fall of Icarus is happening in the back; no one is even noticing it. Brueghel's painting shows that how a tragedy may not even be noticed by those who are not directly affected by it.
Auden translates Brueghel's painting a little differently, however. To Auden, the fall of Icarus IS being noticed by the plowman and the sailor; Auden says that they are too busy to deal with the disaster and get on with their work. Auden says that Icarus falling is "not an important failure" to them.
Auden's interpretation of the painting is therefore much more negative than Brueghel's initial work.
All of them, which is 37 or 36, because they are all important to people, some have life lessons, and some are just entertaining. Plays were one of the things that made Shakespeare famous apart from poems or sonnets.