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.
BMP is a graphic file format that contains Bitmap images. It can specify image pixels to show the image in any devices, that’s why it is device independent. It uses the file header to contain all the Bitmap info. It supports both colored and gray color models. It also have a color table that contains image colors.