or special items that may affect our tax rate in 2014. 

Operations Review 

Our organizational structure as ofDecember 31, 2013, consisted of the following operating segments, the first six of which are sometimes referred to as "operating groups" or "groups": Eurasia and Africa; Europe; Latin America; North America; Pacific; Bottling Investments; and Corporate. For further information regarding our operating segments, refer to Note 19 of Notes to Consolidated Financial Statements. 

Structural Changes, Acquired Brands and New License Agreements 

In order to continually improve upon the Company's operating performance, from time to time, we engage in buying and selling ownership interests in bottling partners and other manufacturing operations. In addition, we also acquire brands or enter into license agreements for certain brands to supplement our beverage offerings. These items impact our operating results and certain key metrics used by management in assessing the Company's performance. 

Unit case volume growth is a key metric used by management to evaluate the Company's performance because it measures demand for our products at the consumer level. The Company's unit case volume represents the number of unit cases (or unit case equivalents) of Company beverage products directly or indirectly sold by the Company and its bottling partners to customers and, therefore, reflects unit case volume for consolidated and unconsolidated bottlers. Refer to the heading "Beverage Volume" below. 

Concentrate sales volume represents the amount of concentrates and syrups (in all cases expressed in equivalent unit cases) sold by, or used in finished products sold by, the Company to its bottling partners or other customers. Refer to the heading "Beverage Volume" below. 

Our Bottling Investments operating segment and our other finished product operations, including the finished product operations in our North America operating segment, typically generate net operating revenues by selling sparkling beverages and a variety of still beverages, such as juices and juice drinks, energy and sports drinks, ready-to-drink teas and coffees, and certain water products, to retailers or to distributors, wholesalers and bottling partners who distribute them to retailers. In addition, in the United States, we manufacture fountain syrups and sell them to fountain retailers such as restaurants and convenience stores who use the fountain syrups to produce beverages for immediate consumption, or to authorized fountain wholesalers or bottling partners who resell the fountain syrups to fountain retailers. For these consolidated finished product operations, we recognize the associated concentrate sales volume at the time the unit case or unit case equivalent is sold to the customer. Our concentrate operations typically generate net operating revenues by selling concentrates and syrups to authorized bottling and canning operations. For these concentrate operations, we recognize concentrate revenue and concentrate sales volume when we sell concentrate to the authorized unconsolidated bottling and canning operations, and we typically report unit case volume when finished