Highlighting is one of the best features which bring out the important part from the contents. There are many ways where highlighting comes in useful such as if going through someone else work, highlighting helps them to take out important part for improvement, Highlighting comes in helpful when you want to remember any important part from any passage which makes easy for revision, highlight also comes in handy in marketing and office work where you need to pass file to other department, and highlighting important work to be done makes easy communication for your business and official work.