Argument
/ɑːrɡ/
noun — “the tiny rebel in your command line that changes how programs behave.”
Arg, short for argument, in programming and command-line contexts, represents input values or options passed to a program, function, or script to modify its behavior or provide necessary data. For example, in a Unix-like shell, running grep "hello" file.txt passes hello and file.txt as Args to the grep command, telling it what to search for and where.
Gain
/ɡeɪn/
noun … “Measure of how effectively an antenna radiates or receives energy.”
Wavelength
/ˈweɪvˌlɛŋkθ/
noun … “Distance over which a wave repeats its shape.”