In Google Docs, you can add watermark, picture and solid color background to your page. Learn how to insert Background Images in Google Docs.

This article explains how to put a caption on a picture. Image captions are important because they add extra information to your visual web page elements.

How do I insert a text box in Google Docs over an image? If you use the Drawing tool to create a text box and insert it into Google Docs, you have the option to move and place the box over an image.