The “CW” stands yamaha u2 upright piano for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for yamaha u2 upright piano “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.The “S6 Slim” refers to the guitar’s slim profile, which makes it comfortable to play, especially for players with smaller hands. The “CW” stands for “cutaway,” which means that the guitar has a portion of the body cut away to allow for easier access to the higher frets.