Due to excessive competition in the online market in designing there are lots of websites which are serving its customers with a wide variety of PowerPoint design templates which are especially designed in order to make unique ppt presentations. So you have a lot of options of choosing the perfect template of your choice. Also there are numerous topics which have lots of PowerPoint templates to choose from.
Idea concept build _ Sketch a concept, insert clip art or pictures, and use SmartArt to create a foundational visual... the base visual that you will build upon. Then add additional graphic components directly over the foundational visual. Alternatively you can create consecutive slides where you build increased complexity from the foundational slide so that you show how an idea concept develops and progresses layer_by_layer.