TYPES AND PURPOSES OF STUCTURES IN M A R K ET I N G C H A N N E L M O D I F I C AT I O N -MARK ET ING CHANNELS ARE HOW BUSINESSES REACH COSTUMERS. 3 TYPES OF MARKETING CHANNEL S : COMMUNICAT I ON DISTRIBUTI ON SERV ICE CHANNEL COMMUNICATION COMMUNICAT I ON CHANNEL S -PRESENT INFORMATI ON TO POOLS OF POTENTI AL CONSUMERS KNOWN AS THE PRODU CT TARGET MARKETS . EXAMPLES ARE: DISTRIBUTION - Product reach costumers through distribution channels. It also include the costumers point of purchase. And it is similar to communication channels because it is also based on the shopping preferences of the products target market. SERVICE -TRANSACTIONS ARE FACILITATED THROUGH SERVICE CHANNELS . TYPES OF SERVICES CHANNELS ARE: BANKS WAREHOUSE INSURERS AND TRANSPORTATION COMPANY MARKETERS MAY CHANGE SERVICE CHANNEL STRUCTURE TO IMPROVE EFFICIENCY OR FOR COST-EFFETIVENESS. SUPPLY CHAIN ALSO KNOWN AS THE VALUE DELIV ERY NETWORK, THE SUPPLY CHAIN REFERS TO THE PROCES S OF TURNING RAW MATERIAL INTO PRODUCT S IN COSTUMER’S HANDS. COMPANI ES MODIFY THE SUPPLY CHAIN STRUCTURE FOR STATEGIC BUSINESS ALLIANC E PURPOSES. -