It is quite a long time now since I first heard the term "work-study program." This was a special federal program designed to assist young adults with limited financial means to achieve a professional education.
It is a word that one hears frequently these days, in many contexts. The word is "process." It is a word that reflects our growing recognition that there are very few things in this world that occur in an instant, yesh me'ayin, something out of nothing.
It is good for the body and good for the soul. It helps one lose weight, provides time for contemplation, is a favorite leisure activity, it can be entertaining – even edifying – and it costs nothing. In fact, there is no down side to it at all. It is the act of walking, or more colloquially, "taking a walk."