Each stack frame holds a pointer to the previous stack frame (called the back chain pointer), as well as a space for return addresses for when it calls other functions.
The traditional home icon represents a chain of metaphoric significants related to the home ( your place, your space, where your things are, to where your return every day, etc.)
Additionally, in the supply chain application space, XQuery XML storage and retrieval has the potential to play an important role in accelerating overall system performance.