If you are traveling by train, what is the area called where passengers wait for their train to arrive?

What is the term for a large, open space in an airport where passengers wait before their flight?

What is the term for the money you receive back when you return a purchased item?

What do you call a journey made by a group of people for a particular purpose?

What is the term for a person who travels to a foreign country for pleasure?

What is the term for the time when your flight temporarily stops at an airport on the way to its final destination?