Bronfenbrenner's final level is the macrosystem, which is the largest and most remote set of people and things to a child but which still has a great influence over the child.
Term EMF is acronym for Electro-Motive-Force , that is a Force that Moves Electric Charge. It is not implied by the name of that term whether the origin of the Force is elecrostatic, magnetic , thermoelectric , or electrochemical.
Game file type. The edf file extension is associated with RF Online, originally named Rising Force, a 3D MMORPG developed by CCR. The edf file contains game data, such as textures or sounds, that are used in RF Online. This edf file type entry was marked as obsolete and no longer supported file format. This type of file is no longer actively used and is most likely obsolete.