How do these terms relate/ rely on one another?

How do these terms relate/ rely on one another?

Community health information network (CHIN),Regional health information organization (RHINO),National health information network (NHIN),Health Information Technology for Economic and Clinical Health Act (HITECH Act)How do these terms relate/ rely on one another?

Community health information network (CHIN)
Regional health information organization (RHINO)
National health information network (NHIN)
Health Information Technology for Economic and Clinical Health Act (HITECH Act)

How do these terms relate/ rely on one another?

Community health information network (CHIN),Regional health information organization (RHINO),National health information network (NHIN),Health Information Technology for Economic and Clinical Health Act (HITECH Act)How do these terms relate/ rely on one another?

Community health information network (CHIN),Regional health information organization (RHINO),National health information network (NHIN),Health Information Technology for Economic and Clinical Health Act (HITECH Act)How do these terms relate/ rely on one another?

Community health information network (CHIN),Regional health information organization (RHINO),National health information network (NHIN),Health Information Technology for Economic and Clinical Health Act (HITECH Act)How do these terms relate/ rely on one another?