MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
6common interface to take advantage of features like: fix and continue--to boost debugging productivity by allowing fixing of a bug and continuing at the same point, without restarting the entire session; runtime error checking--to improve application quality by catching hard-to-find memory leaks and memory-access errors before the application is put in production; incremental linker--to reduce link time of applications, particularly useful when only small changes are made to very large application