The meaning of the term functionality is that an object of any kind is well suited to properly function and work for the purpose the object was created for.
Anacusis is the medical term meaning complete deafness.
Syncope is the medical term meaning fainting.
I believe that the word you are looking for is "functionality."
Flexion is the medical term meaning bending
What is the meaning of the term "arms race
The term is Brevis, meaning shortest.
What is the meaning of the term "arms race
Sensation is the medical term meaning feeling.
Sort of joke (or figurative speech) of your teacher, the meaning is: programs with similar/related functionality. They are: interpreter, assembler.
Aplasia is the medical term meaning absence of development.
Eructation is the medical term meaning burping.eructation
Atrophy is the medical term meaning shrinking.