From kindergarten forward, we want to know what's going to happen. What should we do, what is expected of us? This continues on every major life activity change.
When we plan a trip, we plan the activities and what to pack.
The further the trip, typically the more we plan to pack into each day. Unless of course the trip is purely for rest.
When traveling to live it's a bit different.
What weather conditions will we experience for clothing and then what are your goals...