What is the link-efficient network structure of a network with an average path length close to 2?

Program description: a c# app is to be created to produce morse code. the morse code assigns a series of dots and dashes to each letter of the alphabet, each digit, and a few special characters (such as period, comma, colon, and semicolon). in sound-oriented systems, the dot represents a short sound and the dash represents a long sound. separation between words is indicated by a space, or, quite simply, the absence of a dot or dash. in a sound-oriented system, a space is indicated by a short period of time during which no sound is transmitted. the international version of the morse code is stored in the data file morse.txt.

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

What is a scenario where records stored in a computer frequently need to be checked