Code names are often used to protect the identity of individuals or organizations. MORSE code is a system of communication using dots and dashes to represent letters and numbers. The code name 'MORSE' is five letters long. 'ROGER' is also a five letter code name, which is commonly used in radio communication to indicate that a message has been received and understood. Finally, 'DAVINCI' is a seven letter code name, which is likely a reference to the famous artist and inventor Leonardo da Vinci.