Never-evers are just what the name implies, and the term normally sticks with them for the first three to five days on skis.

Beginners have about a week of instruction and can turn and stop more or less when they choose, but still rely on wedge turns.

Lower intermediates can link wedge turns and are beginning to make parallel turns.

Intermediates can negotiate any blue trail and can normally more-or-less parallel ski on the smooth stuff; they go back to survival rules when working their way down an expert trail, and definitely struggle in heavy powder and crud.

Advanced skiers can ski virtually any marked trail with carved turns, but are still intimidated by crud, deep heavy powder and super steeps.

Experts can always ski anything, anytime, anywhere. Real experts can always find challenges. These skiers are few and far between.