What is the purpose of paragraph 19 in the excerpt from All the Light We Cannot See?

My attempt in this novel is to suggest the humanity of both Werner and Marie-Laure, to propose more complicated portraits of heroes and villains; to hint at, as World War II fades from the memories of its last survivors and becomes history, all the light we cannot see.

answer: to accurately look up a word in the dictionary, look at the letters until it comes close to the word, then on that page you will find it and learn the word. a dictionary will have words similar such as its synonyms and its roots, but also how to pronounce the word and it's roots. a dictionary is when making sure you're using the right word in a writing piece or just when you need clarification what the word is/means.

explanation: i hope this is as it is also self explanatory. have a wonderful day and i hope this you! < 3

antonyms have opposite meanings, and so do those two words, so they are antonyms.