Depression ranges in seriousness from mild, temporary episodes of sadness to severe, persistent depression. Clinical depression is the more severe form of depression, also known as major depression or major depressive disorder.
SCADA (supervisory control and data acquisition) SCADA (supervisory control and data acquisition) is a category of software application program for process control, the gathering of data in real time from remote locations in order to control equipment and conditions. SCADA is used in power plants as well as in oil and gas refining, telecommunications, transportation, and water and waste control. SCADA systems include hardware and software components. The hardware gathers and feeds data into a computer that has SCADA software installed.
On the other hand, SCADA - supervisory control and data acquisition - is mainly a software environment that can communicate with PLC's and probably DCSs also for that matter in order to monitor the functionality of those devices and perform data acquisition and data logging to a monitoring platform - say a computer in a control room etc.