CurrentImage[] returns the current image captured from a connected camera.CurrentImage[n] returns n sequential image frames as a list.
DefaultNaturalLanguage is an option for character selections that specifies the language used when checking the spelling of a word in a human natural language selection.
Delimiter represents a delimiter to be displayed in objects such as PopupMenu and Manipulate.
DirectoryStack[] gives the directory stack that represents the sequence of current directories used.
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.