A budget is a plan that outlines how a business will allocate its resources, such as money, to achieve its goals. A "good" budget is one that is realistic and flexible. It accurately reflects the business's financial situation and allows for adjustments as needed. A "bad" budget, on the other hand, may be unrealistic or inflexible, leading to financial constraints or missed opportunities for the business. Just like in personal life, a good budget helps manage resources effectively and adapt to changes.