What does Alexandra mean when she calls Atticus “soft-hearted”? What has he done, in Alexandra’s view, that is soft hearted. (To Kill a Mockingbird)

Alexandra says Atticus soft hearted because he is very kind and soft on the kids.

Explanation:

'To Kill a Mockingbird' is a book about how innocence is destroyed by the evil. Alexandra is the sister of Atticus Finch and there comes a time when she calls Atticus as soft hearted. She says this because Atticus is very soft and nice to his kids. He is the kind of father who who doesn't set any rules for his children. He is very open and he even allow her daughter Scout to go to church with their black cook Calpurnia.

(you didn't attach a copy of the poem, but i'm answering as best as i can)

since a simile compares two unlike things using like or as, it kind of gives an item the ability to do something it can't.

example: "the player was like a tiger on the field"

in this sentence, the simile conveys the idea that the player was fast and strong, like a tiger.