Customer service is an obvious example. If service can be provided without an on-site engineer, costs are lowered. The more expensive the engineer, the more pressure to have one person serve many customers. The salesperson goes to the customer, shakes hands, and looks at the facilities. Workers in different groups travel to the staff meetings of their colleagues to establish rapport.
Friends get together for dinner.
In all these situations the requirement for movement is rooted in the desire to meet, take the measure of, and enjoy the company of others. People move between these places as they move between the different aspects of their lives. They go to their children's school to meet with the teacher, they go to the country club to have a round of golf with a new prospect. Doing the appropriate thing in the appropriate place is key to the way many people organize their lives. There are certain situations where the give and take goes beyond words.