Clue: Three dots, in code

Answer: ESS

Length: 3

---

Similar Clues:

• Former UN leader Hammarskjöld [Note: The circled letters comprise a three-word instruction that, when applied to one square in the completed grid, reveals a group who might follow a code of silence] (DAG with 3 letters)
• Threesome in a Morse code S (DOTS with 4 letters)
• Three dots, in Morse code (ESS with 3 letters)
• Internet code (HTML with 4 letters)
• Insert, as a code (IMBED with 5 letters)
• Code inventor (MORSE with 5 letters)
• Telegraphic code inventor (MORSE with 5 letters)
• Radiotelegraphy code inventor (MORSE with 5 letters)
• Eponymous code inventor (MORSE with 5 letters)
• Code-cracking intelligence org. (NSA with 3 letters)