Cliparts: Clipart means premade graphic art images used to illustrate any medium. Clipart comes in a variety of content, file format, illustration-styles, which can be applied to the product.
Design Ideas: Design Ideas is the group of single entities that are independent designs scalable according to the design areas available on the base products. Design ideas can be applied to any product as per the configurations of the backend.
The main difference between cliparts and design ideas is that clipart is a single entity, whereas design ideas are the group of entities like a template but not exactly a template.