Windows Service applications run in a different window station than the interactive station of the logged-on user. A window station is a secure object that contains a Clipboard, a set of global atoms, and a group of desktop objects.
That is the nature of the business is a term that means that  something happens because it is common experience for the event you  are performing or doing.
Noun. 1. competition-a business relation in which two parties compete to gain customers; business competition can be fiendish at times. business relation-a relation between different business enterprises.