There could be some programs on your computer which you use quite often in your day to day work, so you may have the shortcuts for all these programs which you click one by one when to launch them.
However you can tweak a little to launch all these programs in one time double click or via single shortcuts as compared to clicking different shortcuts to launch these programs.
Yet again there are two ways to do this one is the geeky way out with which you don not need any additional software to do this and other is by using a free utility called Utility Launcher