Tasting is not a performance and it does not require vocabulary you do not have. It is a fixed order of four questions, asked the same way every time, so that two wines can be compared rather than just enjoyed.
The order matters more than the words
Professionals use a fixed sequence, appearance then nose then palate then conclusions, so that observations accumulate toward a judgment rather than starting from one. WSET teaches it as the Systematic Approach to Tasting, and the sequence is worth borrowing even if the terminology is not.
The reason to keep the order is that a first impression, once spoken, contaminates everything after it. Working through the steps slows you down just enough to notice what is actually in the glass.
Look
Tilt the glass against something white. Note how deep the color is and what color it actually is: lemon, gold or amber in a white; purple, ruby, garnet or tawny in a red. Depth hints at concentration, and the shift from purple toward garnet and brick suggests age.
This step tells you the least and takes five seconds. It is mostly useful as a check against surprises later, and as a fault signal when a wine is unexpectedly brown or cloudy.
Smell
Swirl, then take short sniffs rather than one long one. Ask two questions: how strong is the smell, and what does it remind you of. Fruit, flowers and herbs tend to come from the grape, vanilla and spice often from oak, and mushroom, leather or dried fruit usually mean age.
Your first impression is the honest one. If the wine smells of a damp cellar or wet cardboard rather than anything appealing, stop and check for a fault before blaming your palate. The fault guide covers what each one smells like.
Taste
Take a decent mouthful and let it move around. You are checking five things: is it sweet or dry, how much acidity makes your mouth water, how much tannin dries your gums, how warm the alcohol feels, and how heavy the wine is overall. Then notice how long the flavor lasts after you swallow, which is the closest thing to an objective quality signal.
Appearance: depth and color: Nose: intensity, and three things it reminds me of: Sweetness: dry to sweet: Acidity: low / medium / high: Tannin: low / medium / high: Alcohol and body: Length: short / medium / long: Would I drink a glass: Would I buy a bottle:
Decide, which is the step people skip
The conclusion is the entire point. Would you drink another glass, would you buy a bottle, what would you eat with it, and when should the next bottle be opened. Those four answers are actionable. A score out of a hundred is not, unless you are calibrating against other professionals.
Write the conclusion down against the wine, in the short note format, so the next purchase and the next opening both inherit it.
Train by comparing, not by memorizing
Two glasses side by side teach more in five minutes than a month of tasting one wine per evening, because differences are far easier to perceive than absolutes. Two vintages, two producers, or the same wine at two temperatures.
A structured version of this is a blind tasting, and the home tasting guide covers running one without turning it into an exam.