Some people prefer to use different colors to highlight certain parts of a document and emphasize parts that are important and need to be emphasized. Like any modern word processor, Google Docs allows you to highlight not only text, but also various elements in a document, such as images and tables.
[TUTORIAL] How to HIGHLIGHT TEXT over an IMAGE in Google Docs (Easy!)
If you are wondering how to highlight different things in Google Docs, then the following post will help you with that.
Related: How to Draw on Google Docs: Step-by-Step Guide
When working on a document in Google Docs, you may want others to focus on certain parts of the written text more than the rest. You can do this by highlighting a word, phrase, or sentence by assigning it a different color.