People tend to look in the future with perspective. That is, probably, a remarkable characteristics of human beings. Sure, very often future seems quite vague and uncertain, which makes people feel distressed and at a loss. For this reason we plan events and dream of achieving best results in what we plan.
So, what is the key difference between a future plan and a dream? A dream has some special taste or smell, whatever. It is very often our fantasy, our cherished desire, some crazy wish. We may know that well never get what we dream about but still have and keep our dream for quite a long time. Moreover, some really funny things can turn into dreams for someone, like having a bath full of macaroni (as it was described in one movie), and a person will live the entire life with such a dream. Plans are considered to be much more down-to-earth. Nowadays planning is everywhere: when at job we have daily schedule, even household chores are planned. But of course there are more global-like or serious plans, like buying a house at the seaside in 10 years or so. The latter example can be attributed to both dreams and plans. Thus a dream can turn into a plan, if you have some...