I'm looking for input on how to make my files more efficient. I have 4 catalogs I'm working on side by side. 10 of the pages are 99% the same across all 4 files (the page headline style is the only difference). I'm trying to find a way to make it so one file (of those 10 pages) is linked to all documents, to streamline the process for translation (it only needs to be translated one time) and also just streamline any updates along the way.
A few clarifying comments.
If there is a good solution I'd love to be able to expand this to additional portions of the catalog. Example, there are many other pages where 70% of the content is the same. It would be great if that could be managed in one file that populates into the 4 catalogs (but still allows for conditional text to be turned on and off).
You can linke the identical content to InCopy files. The styles have to have the same name regardless of their appearance in any document. Even if the style is defined in InCopy different, the style definition of the host InDesign document is applied to the text.
To edit later, you have to check it out via the InCopy Menu (or edit in InCopy directly). Save and check in. When you open the next time another document with that InCopy Content you will be asked if you want to update changed links, similiar to the questions with an image.
The style definition can be different in every InDesign document as long as the styles have exactly the very same name.