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.
Definition of home business: Small business operated out of the primary residence of the owner(s). A home business typically does not have a large number of employees. Small businesses are often started as a home business in ...