What does "Back End" mean? Definition or Meaning

Picture it this way, if your website was a car, the back end would be the engine and all the parts that you don’t get to see. It is important for your back end to be properly set up in order for search engines to be able to find your website.

For example…

By applying the right metadata to the back end of your website, you are making yourself more discoverable. An example of good metadata is an air conditioner repair business that includes a brief description of what they do, why they do it best and where they operate. e.g. ‘Need your air conditioning repaired? We provide reliable service and 1 year warranty for all air conditioning repairs in the Sheffield area.’