Which of these best describes the text element heading used in this document?
a) the heading identifies the who, what, and when..
b) the heading identifies the who, what, why, and where.
c) the heading identifies the who, what, when, and where.
d) the heading identifies the who, what, when, where, and why.

C. the heading identifies the who, what, when and where

Explanation:

The heading identifies the who, what, when, and where. (who)Lincoln is giving an (what)address on (when)November 19, 1863 on (where)the battlefield near Gettysburg, Pennsylvania, USA.

covert: hidden or secret

candid: truthful and straightforward

what i get from these phrases is covert means undercover or underground and that's where the flower is in april. on the other hand, may is the month where flowers start to bloom and thats the reason why candid is being used as a word to describe the blossoming period of a flower.

hope this answer you.