Environment["var"] gives the value of an operating system environment variable.
FieldHint is an option for InputField that specifies contents to display when the input field is empty.
FilePrint["file"] prints out the raw textual contents of file.
Full
(Built-in Mathematica Symbol) Full is a setting used for certain options, typically indicating that a full range of values should be included.
GraphDiameter[g] gives the maximum eccentricity of the vertices in the graph g.
GridFrameMargins is an option for grids that specifies the spacing between the content of the grid and the frame surrounding it.
ImageScaled[{x, y}] gives the position of a graphical object in terms of coordinates scaled to run from 0 to 1 across the whole image region in each direction. ...
InitializationGroup is an option for the first cell of a cell group that specifies whether the group should be tagged to be evaluated by the Mathematica kernel when the ...
InputStream["name", n] is an object that represents an input stream for functions such as Read and Find.
IsomorphicGraphQ[g_1, g_2] yields True if the graphs g_1 and g_2 are isomorphic, and False otherwise.