The large central vacuole in plant cells performs multiple vital functions. Its key roles include storing water, nutrients, and waste materials. By accumulating water, the vacuole contributes to turgor pressure, which imparts structural rigidity to the plant. Furthermore, it houses diverse substances, whether they are waste or essential for cellular operations, and aids in maintaining the cell's internal equilibrium. Consequently, the central vacuole's foremost purpose is the sequestration of water, nutrients, and waste.