Complex sentence: The "general turn over" prosign K although not a unique symbol is traditional and is identical to the alphabetic character symbol for the letter "K" which is interpreted as a prosign only when sent alone at the end of a transmission.
Split into simpler sentences: The "general turn over" prosign K although not a unique symbol is traditional and is identical to the alphabetic character symbol for the letter "K". K is interpreted as a prosign only when sent alone at the end of a transmission.