Marketing functions involve the transformation of goods over time, space, and form through storage, transportation, and processing. This helps transfer ownership from producers to intermediaries and ultimately to consumers. The key marketing functions include merchandising, physical distribution, buying, selling, warehousing, transportation, financing, risk bearing, standardization and grading. Buying is the process of transferring ownership from sellers to buyers and involves planning purchases, contacting suppliers, negotiation, assembling goods, and contracting. Selling means exchanging goods for money through the process of transferring ownership. It involves product planning, contacting customers, demand creation, negotiation, and contracting. Physical distribution, specifically transportation, is the physical movement of goods from production to consumption through various modes