A ford is a shallow place in a river or stream where people, animals, or vehicles can cross safely. Fords are often used in areas where bridges are not available, making them important for transportation and trade. They can vary in depth and width, depending on the water level and the terrain. Historically, fords have been significant in many cultures, allowing for the movement of armies and goods. Famous fords, such as the Ford of Brunanburh, played crucial roles in battles and trade routes. Today, some fords are still used, while others are marked for safety due to changing water conditions.