Path
(Built-in Mathematica Symbol) Path is an option for Get and related functions which gives a list of directories to search in attempting to find an external file.
PreferencesPath is a global option that specifies which directories are searched for user-specific settings when Mathematica is started.
ScriptLevel is an option for selections that is used in determining the font size of modifiers such as subscripts and superscripts in a nested expression.
SpanAdjustments is an option for selections that specifies the height and width of spanning characters.
SpanSymmetric is an option for selections that specifies whether vertically expandable characters are symmetric about the axis of the selection.
Stub
(Built-in Mathematica Symbol) Stub is an attribute which specifies that if a symbol is ever used, Needs should automatically be called on the context of the symbol.
SyntaxPacket[integer] is a MathLink packet where integer indicates the position at which a syntax error was detected in the input line.
Temporary is an attribute assigned to symbols which are created as local variables by Module.
$InputFileName is a global variable whose value is the absolute file name of the input file from which input to Mathematica is currently being sought.
$Input
(Built-in Mathematica Symbol) $Input is a global variable whose value is the name of the stream from which input to Mathematica is currently being sought.