In a Morse code telegraphy transmission, readability refers to how easy or difficult it is to distinguish each of the characters in the text of the message being sent; in a voice transmission, readability refers to how easy or difficult it is for each spoken word to be understood correctly.
Indenfor Morsekode telegrafi transmission, refererer læsbarhed til hvor let eller svært det er, at skelne de sendte tegn i meddelelsesteksten; i en stemme transmission, refererer læsbarhed til hvor let eller svært det er at forstå hvert udtalt ord korrekt.