Watermarks can range greatly in terms of style and method of deployment.

Some watermarks are simple text with or without transparency.

Or you can use a graphic logo or a graphic logo with text.

A graphic can "look" like text , but from a authoring and software coding perspective is NOT text.

We are looking at the ability to import graphic files with and or with out transparency.

We are also looking at a text entry feature.

Below is just one example of a "watermark".

There are hundreds of examples of "watermarks"