The primary PowerPoint objects are the Presentation, the Slide and Shapes
Presentations Object
* The Presentations collection is the set of all OPEN PowerPoint presentations.
* All presentation objects are contained in a Presentations object.
* A presentation object is added, opened and saved from the Presentations collection object.
* The Presentation object is a single Powerpoint file.
* A Presentation has an extension of .pptx ( or .ppt on older versions)
* The Slides object is a collection of all the slides in a specific presentation.
* A slide can have a layout, a color scheme, a design, and a master template.
* A slide contains Shapes which contain the content of the presentation.
* Shapes can be objects like rectangles, squares and circles.
* They can be text boxes that contain text.