Here are some examples:
* "The letter was written in a beautiful cursive." (This sentence describes the act of writing the letter.)
* "The instructions were written in a clear and concise manner." (This sentence describes the way something was written.)
* "He is a well-known author who has written several novels." (This sentence describes a person's profession and their work.)
* "The contract is written in legalese, which is difficult to understand." (This sentence describes the style of writing used.)
* "The rules are written in black and white." (This sentence uses a metaphor to emphasize that the rules are clear and definite.)
As you can see, "written" can be used in various ways to describe the process of writing, the style of writing, or the content of written work.