'In sharepoint, How to create a page template, and follow that template like a layout while other page is created

I need to create multiple pages in sharepoint. The page structure and design is same for every pages except the data. My requirement is i will create a new page using one layout, so that next time i dont need to work with page structure and design, and i will only work with the data.

How can i achieve this?

I am using SP 2019 on premise.



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