Morse code is a way to send signals through dots and dashes, usually done with sound. You will use two keys for the two inputs of morse code, the dot is a short beep, a dash is a longer sound. Using these two inputs you can create the entire alphabet.
for a dot .
for a dash / (-)
Type a dot _______ and a dash _______
do not add spaces between . dots and dashes / for a letter, for example A is ./