This is a format used for storing clipart images for working with CorelDRAW vector imaging. It’s used for entering separate, prepared graphical elements into a vector graphics design. It’s used as a blank template and is distributed in the form of millions of prepared cliparts which can compliment your own design.
DjVu is a computer file format designed primarily to store scanned documents, especially those containing a combination of text, line drawings, indexed color images, and photographs. It uses technologies such as image layer separation of text and background/images, progressive loading, arithmetic coding, and lossy compression for bitonal images.