What is the meaning of ...?

Alternative form of

Visual rendering of Morse code for S. (Latin)

Visual rendering of Morse code for С. (Cyrillic)

Visual rendering of Morse code for Σ.

Visual rendering of Morse code for EI.

Visual rendering of Morse code for ש.

Visual rendering of Morse code for .

Visual rendering of Morse code for .

Visual rendering of Morse code for .

Visual rendering of Morse code for .

Source: wiktionary.org