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.
Business sustainability is often defined as managing the triple bottom line-a process by which companies manage their financial, social and environmental risks, obligations and opportunities. These three impacts are sometimes referred to as profits, people and planet. more robust definition is that business sustainability represents resiliency over time â businesses that can survive shocks because they are intimately connected to healthy economic, social and environmental systems. These businesses create economic value and contribute to healthy ecosystems and strong communities.