The computer script that runs the AML site treats each webpage like a puzzle, joining three files to one another and presenting them as if they were a single page:
The graphic reveals the normally invisible borders of a simple table structure that contains the website: two rows, the bottom row divided into two cells.
To sum up, whether you're tagging a new article or adding a new article's title to a menu, remember that the file you're working on is just one fragment of a complete html file pieced together on the computer hosting the AML website. Be sure to remove the red tags mentioned above.
Every time a visitor to the website clicks on a link, the link itself tells the script what fragments to use: the link contains both the name of the menu to show, and the name of the article to show. Click here to learn how to write links.