A word cloud (tag cloud, or weighted list in visual design) is a
novelty visual representation of text data. Tags are usually single words, and
the importance of each tag is shown with font size or color. This format is
useful for quickly perceiving the most prominent terms and for locating a term
alphabetically to determine its relative prominence.
When to use it ?
Depicting keyword metadata (tags) on websites.
Delighting and provide emotional connection.
Example 1: Basic word cloud
According to this word cloud, we can globally know that data science employs
techniques and theories drawn from many fields within the context of
mathematics, statistics, information science, and computer science. It can be
used for business analysis, and called “The Sexiest Job of the 21st Century”.
Example 2: Word cloud with specific shape
You can click here to check this example in jupyter notebook.