Morse code is a system of communication developed in the early 19th century by Samuel Morse. It uses a series of dots and dashes to represent letters, numbers, and symbols. The term MORSE MORSEL refers to a group of characters in Morse code. The crossword solutions for this term are DAH (3 letters), DASH (4 letters), DIT (3 letters), and DOT (3 letters). DAH and DASH represent long durations of sound, while DIT and DOT represent short durations of sound. Together, these four characters form the basis of Morse code.