This is a vector imaging format used in the CorelDRAW editor. It has a template that can be applied for other designs, including styles, grid parameters, page layout and other parameters. The CDT template allows for the creation of several images in one style without changing the settings in manual mode.
TIFF is a container that contains graphic files. It supports vector and bitmap images. This file extension follows both the lossy and lossless compression algorithm, so it can contain layers. Primarily developed by Aldus and later associated with Adobe Systems, TIFF file format contains an image header with image information. So high colored image files can contain to this format very easily.