Google Slides Linked Slides. This allows you to have a master slide, update information, and have the information updated on the copied slides. I usually learn how to do things by "poking them with a stick".
Similar to Microsoft's You can publish your Google Slides presentation online using a link or embedded code.
As you will see on the video below, you'll have to create the slideshow that you want to insert, as an example.
Make your presentations more engaging with live polls and quizzes. "The ability to present the Slido Q&A from within a Google Slides deck is so convenient! Currently, I have to manually click each linked cell/table to update values. Google Slides are presented in a linear fashion, where slides appear in order (unless links or other transitions are added).