Answer:
What can be heard and caught but never seen?
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
Without this, eating food and Steven Spielberg's career would be very different.
What hangs others yet can unintentionally hang itself?
It weighs next to nothing but no one can hold it for long. What is it?