Your Poexis app is made up of a number of core elements, these include, images, videos, text, buttons, lists, etc. This section will describe each core element, how to add them to your app and how to change the look and feel of each element.
Adding elements to your Slides is as easy as it comes, it's literally as easy as editing a document! I mean, you are just editing a document, after all.
For additional details, don't forget to check out the Google Slides documentation.