cipher - Decode the message enciphered in these symbols: ◳◰ ◓◨ ◨◧◕ ◎◌ ◱◯◱◯ ◍◌○ ◉◉ ◇◔◓◕ ◐►◓◒ ◒◑ ◈◑ ◆◆◓ ◉◉◉

◳◰ ◓◨ ◨◧◕ ◎◌ ◱◯◱◯ ◍◌○ ◉◉ ◇◔◓◕ ◐►◓◒ ◒◑ ◈◑ ◆◆◓ ◉◉◉

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Administrative details (not part of the puzzle):

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  The answer is a clue to The Security to the Party [12] (now with party soundtrack!)

  
  


• 
  

  For the benefit of anyone without a Unicode-capable browser, the puzzle should look like this (image of the puzzle text):

  
  


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  The answer is written text in the English language. The puzzle is: "◳◰ ◓◨ ◨◧◕ ◎◌ ◱◯◱◯ ◍◌○ ◉◉ ◇◔◓◕ ◐►◓◒ ◒◑ ◈◑ ◆◆◓ ◉◉◉" is the cyphertext. What is the plaintext?

  
  



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  This type of puzzle is called a Cryptogram. The Google search "How to solve a cryptogram" leads to all kinds of useful resources, hints and tips.

  
  


• 
  

  The puzzle is not case-sensitive (see question below).

  
  


• 
  

  The plaintext does not contain any slang or acronyms (see question below).

  
  


• 
  
  

  Chat about this question is here: http://chat.stackexchange.com/rooms/18659/discussion-on-question-by-a-e------------- (contains spoilers!)

  
  


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  There are no proper nouns (names) in the plaintext. (question from chat)

  
  


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  The plaintext does not contain roman numerals. (question from chat)

  
  


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  There is no punctuation in the plaintext. (question from chat)

  
  
  

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Thank you @Kevin for providing a list of names of the symbols, for anyone who's having trouble with fonts (also good from an accessibility point of view, I guess). So everyone's on a level playing field, I've copied it below:

WHITE SQUARE WITH UPPER RIGHT QUADRANT
WHITE SQUARE WITH UPPER LEFT QUADRANT
SPACE
CIRCLE WITH UPPER HALF BLACK
SQUARE WITH RIGHT HALF BLACK
SPACE

SQUARE WITH RIGHT HALF BLACK
SQUARE WITH LEFT HALF BLACK
CIRCLE WITH ALL BUT UPPER LEFT QUADRANT BLACK
SPACE
BULLSEYE
DOTTED CIRCLE
SPACE
WHITE SQUARE WITH LOWER LEFT QUADRANT
LARGE CIRCLE
WHITE SQUARE WITH LOWER LEFT QUADRANT

LARGE CIRCLE
SPACE
CIRCLE WITH VERTICAL FILL
DOTTED CIRCLE
WHITE CIRCLE
SPACE
FISHEYE
FISHEYE
SPACE
WHITE DIAMOND

CIRCLE WITH UPPER RIGHT QUADRANT BLACK
CIRCLE WITH UPPER HALF BLACK
CIRCLE WITH ALL BUT UPPER LEFT QUADRANT BLACK
SPACE
CIRCLE WITH LEFT HALF BLACK
BLACK RIGHT-POINTING POINTER
CIRCLE WITH UPPER HALF BLACK
CIRCLE WITH LOWER HALF BLACK
SPACE
CIRCLE WITH LOWER HALF BLACK

CIRCLE WITH RIGHT HALF BLACK
SPACE
WHITE DIAMOND CONTAINING BLACK SMALL DIAMOND
CIRCLE WITH RIGHT HALF BLACK
SPACE
BLACK DIAMOND
BLACK DIAMOND
CIRCLE WITH UPPER HALF BLACK
SPACE
FISHEYE

FISHEYE
FISHEYE

Answer

MAGICSIBLINGS
It's morse code, with every circular symbol representing a dot and every other symbol representing a dash. The content of the symbols is a red herring.