All the functionality of Utilities`Notation` is now available in the newly created Notation Package.
Blank
(Built-in Mathematica Symbol) _or Blank[] is a pattern object that can stand for any Mathematica expression. _h or Blank[h] can stand for any expression with head h.
OptionInspectorSettings -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies the display of options in the Option Inspector.
Play
(Built-in Mathematica Symbol) Play[f, {t, t_min, t_max}] creates an object that plays as a sound whose amplitude is given by f as a function of time t in seconds between t_min and t_max.
PrivatePaths -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for paths private to the notebook front end.
The Basic Constructs Classes of Functionality Options Syntax
AbortQ
(Mathematica LibraryLink C Function) mint AbortQ () returns TRUE if Mathematica is in the process of an abort.
mint MTensor_getFlattenedLength (MTensor t) gets the total number of elements in an MTensor.
mint MTensor_getRank (MTensor t) gets the rank of an MTensor.
mint MTensor_getType (MTensor t) gets the type of an MTensor.