It appears that "14kt fic" may refer to a type of fan fiction that contains romantic or sexual content, often rated for mature audiences. The "14kt" designation could relate to the level of adult content within the story, usually indicative of a mature audience warning.
fic. means fiction
fic = "make" or "do"
Fan fic? Fan fic? Fan fic?
Some words that start with 'fic' are: ficus, fiction, and fickle.
14kt f7
What does 120 14kt mean on a bracelet
a.k.14kt
What does 120 14kt mean on a bracelet
words ending with -fic :horrificpacificprolificscientificspecificterrific
What do zz 14kt mean? Is it 585 (14kt gold)
Fiction
No FIC does not stand for First National Computer but it can stand for many others things. Some terms that FIC might be an acronym for is First International Computer, Fogarty International Center, financial inventory control, fuel injector cleaner, and flight information center. What FIC represents in context will depend on the topic.