Phases of wine tasting.

The process of tasting wine are three and are simple, as we get more familiar with terminologies and a cleaner palate we would be assertive in describing and evaluating the taste of each. 

We start with the visual phase, taking the glass by the base so as not to heat the container where the liquid is, and we look through it to see the wine against the light or white background, appreciating its color, brightness, and cleanliness. Besides, in wines with bubbles, a special section is dedicated to their analysis.
In the olfactory phase, the glass is first approached without shaking towards the nose to inhale the primary aromas, coming from the grape variety, the glass is moved around its vertical axis, so that the wine goes up the walls and thus appreciates the Tears left by the wine in the glass This denotes the degree of alcohol contained and also the secondary aromas, coming from the fermentation. You can shake the glass again to release more aromas and thus perceive the
tertiary, if any, that come from the aging of the wine, either
this one in barrel, in the bottle, or both. A wine is said to have a bouquet if it has tertiary aromas.

Finally, in the gustatory phase, the wine is tasted with a small sip, moving it from one side of the mouth to the other with the tongue to appreciate the four basic flavors: sweet, salty, acid, and bitter. A "round" wine is one that achieves a balance between the four basic flavors. Air is also usually made to enter through the mouth while we still sip it, expelling it through the nose, to appreciate its aromas through the retro nasal route with greater intensity. 

Now you should have a better understanding on how the process goes hope you enjoy your experience!