Budgets are financial plans prepared in advance to help achieve objectives. There are various types including sales, production, cash budgets. Budgetary control involves establishing budgets, comparing actuals to budgets, analyzing variances, and revising budgets. The key purposes of budgeting and budgetary control are planning, coordination, communication, motivation, control, and performance evaluation. It helps management anticipate the future, coordinate departments, pinpoint inefficiencies, and direct resources for maximum profit.