It's better for a speaker to give information about two new items and explain them in detail than to talk about eight things. In other words, a speaker should expand the of his or her information.

the answer is culture

voracity is the noun corresponding to the adjective voracious, which means (1) eager to consume a great amount of food, or (2) marked by an insatiable appetite. veracity is far more common than the rare voracity, so the latter is sometimes used in place of the former.

line a --> main

line b --> young

line c --> atitude