The term 'IT MAY BE CRACKED OR PACKED' can be summarized by the three-letter word 'ICE'. ICE is a solid form of water that can be found naturally in many places on Earth, including glaciers, rivers, and lakes. It can also be made artificially in a variety of ways, such as through freezing or packing. ICE can be cracked or packed into different shapes and sizes, making it a versatile material for many uses.