On 10 October 2014, Yousafzai was announced as the co-recipient of the 2014 Nobel Peace Prize for her struggle against the suppression of children and young people and for the right of all children to education.
A characteristic describes something, sorta like an adjective.
3) starting in medias res would be one, since it means to start the plot through dialogue, etc.
4) invocation of a muse would also be one, since the poet is inspiring something worthy.
Because of the truth that every argument has a counter argument, the purpose of a counter argument is to give another possible proposal if the reader does not wish to accept your own.