The music note displayed at the top of your cell phone screen indicates the ringer type for the phone's call alert. The music note means a melody will play when an incoming call occurs. A music note that is crossed out with a line indicates a silent ringer. A music note followed by lines indicates ring and vibrate.
E.g. means for example. (It's actually an abbrebiation of Latin exempli gratia-literally, 'for the sake of [an] example'; i.e. means that is (or that is to say) and is an ab â¦ breviation for Latin 'id est' - 'that is'.
q.e.d. A non-Latin abbreviation that means Quite Easily Done or Quite Elegantly Done to mark the end of a math proof. Once used to abbreviate the Latin quod erat demonstandum meaning that which was to be proved, Q.E.D. is now competing with the symbol â in the typesetting system TeX to end a proof. via giphy by MathPlus February 17, 2017