Direct characterization is when an author clearly states in the text what kind of personality the character has. For example, if the author writes " Cidney was always sad" That would be direct characterization. Indirect characterization would be " Cidney always seemed to be frowing or pouting" which would then lead you to believe she's always sad. Both of those examples pretty much mean the same thing exept one is direct and the other is making you infer.
An onomatopoeia is a word that phonetically imitates, resembles or suggests the source of the sound that it describes. Onomatopoeia (as an uncountable noun) refers to the property of such words. Common occurrences of onomatopoeias include animal noises such as "oink", "miaow" (or "meow"), "roar" or "chirp". I don't know if you read comics but sometimes someone will hit something and it will say "BANG" it basically a sound.
Essentially 3. He stated that readers minds would "require a change of diet" and that stories should be read in one sitting to "capture the essence" of it.