Fullback vs. Wingback

Fullback and Wingback are two terms, or aliases if you will, to describe the position of the outside defender. Though both of these names describe the same position, the style associated with these names is very different!
A fullback is a more traditional outside defender. They steadily play their role. You can count on a fullback to win their tackles, win their headers, and be disciplined tactically. On the attack, a fullback will likely play simple to their midfielders, swing the ball to their center backs, or play a long ball into a channel. There specialty is there defending and they take pride in not being beat.
A wingback is the newer era of the outside defender. They are good defenders in their own right, but it is vastly overshadowed by their attacking flare. You will see a wingback flying up and down the line overlapping outside midfield players and serving dangerous crosses into the box. They are very exciting to watch. They are still technically defenders, but their specialty is definitely their ability to join the attack.