is.
the next step is to smell the wine. swirl the wine around the glass to expose the wine to the air, position the glass close to your nose and inhale deeply. swirling also releases the flavor of the wine. you have to remember that the wine may have been in the bottle for six months to many, many years. by swirling the wine, you will release the flavors. it's like cooking at home where you stir the food in order for you to blend the flavor.
finally, you now need to taste the wine properly. don't gulp the wine down. just take small sips and roll the wine around your tongue. 