The reels, paylines, and symbols are essential elements of online slots. Reels are vertical columns that show a variety of symbols when they rotate. Paylines are preset dedownload videobuddysigns that run across the reels & are potential places for winning combinations. These lines can run diagonally, vertically, or horizontally. The images or icons on the reels are called symbols, and they can be any number of fruits, letters, numbers, or themed graphics. A lot of online slots include extra features to improve the experience.