Health promotion involves public policy that addresses health determinants such as income, housing, food security, employment, and quality working conditions. More recent work has used the term Health in All Policies to refer to the actions to incorporate health into all public policies.
embedded OS. An operating system installed in myriad handheld devices, appliances, equipment and vehicles. The criterion that makes an OS an embedded OS is that it is installed into the firmware of the device rather than the hard disk. It is also generally not user-installed, although in the smartphone and tablet world, upgrades are downloaded and automatically installed at future intervals.
Often abbreviated as OS, an operating system is a powerful, and usually large, program that controls and manages the hardware and other software on a computer. All computers and computer-like devices have operating systems, including your laptop, tablet, desktop, smartphone, smartwatch, router... you name it.