Color was taken out of their world. That is relevant since only the giver actually knew what color was. The society they lived in was very protected and under strict rule so they were not allowed to have color. When Jonas discovers color he is like why don't we have color. He believes that everyone should have color and they should know feelings instead of just feeling like a robot. You can only describe color to a point.
This paper looks at me as if it knew what a vicious influence it had!
All of the above can help to develop a character. A reader will have a clearer image of the character if they are given a description of what the character looks like. We also know who they are as individuals if we know their thoughts or hear them speak. Other characters' opinions of this character can also help to develop them, because we learn who the character is through other peoples' eyes. Hope this helps.
the answer is 1,3,2 hope this helps