You will have to take into account how your home is situated, the view, terrain, size etc. The traffic flow will never be perfect, but try to follow as many of the guidelines below as you can. Shown is a very simple one story layout with traffic flow arrows. The distance from the garage to the kitchen is direct and short. The foyer is centrally located and convenient to all parts of the house.
All bedrooms are close to a bath.
Few rooms have traffic planned through them. Pay attention to space relationships. Try to separate the living room from the kitchen if there is a family room. It is usually advisable to locate the laundry near the kitchen so you can do laundry while working or relaxing in the kitchen. In recent years it has become quite common to locate the laundry on the second floor, near the bedrooms.