Word clouds give greater prominence to words that appear more frequently in any given text. They are also called tag clouds or weighted words. The significance of a word's strength in terms of its number of occurrences visually maps to the size of its appearance. In other words, the word that appears the largest in visualization is the one that has appeared the most in the text.
Beyond showing the occurrences of the words in shapes and colors, word clouds have several useful applications for social media and marketing as follows: