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.
A MAP file is a game map created for games developed with one of the Quake engines. It is saved in a human-readable text-based format. MAP files are uncompiled but can be compiled into a .BSP binary map file for use in games such as Half-Life, Quake, Quake 2, and Quake 3.