They can make it easier to remember. For example, if you know the origin of '人' (person) as a simple drawing of a person standing, it sticks in your mind better.
Well, kanji is vital. In light novels, it can enhance the aesthetic appeal. Readers who are familiar with kanji can quickly grasp the intended meaning. Moreover, kanji is often used for names of characters, places, and important items in the story. Without kanji, it would be difficult to create unique and memorable names, and the overall feel of the light novel would be less distinct.
There are several. Kanji for directions like 東 (higashi, 'east'), 西 (nishi, 'west'), 南 (minami,'south') and 北 (kita, 'north') can be used when describing a place or a journey. Kanji for numbers are also common. For example, 一 (ichi, 'one'), 二 (ni, 'two') etc. Also, kanji for colors such as 赤 (aka,'red') and 青 (ao, 'blue') are often found in light novels to describe characters' appearances or the scenery.
Not always. Many manga have furigana (small hiragana or katakana above kanji) to help with pronunciation and understanding. Also, some simple manga are written mostly in hiragana and katakana.
DC's comic database is highly comprehensive, including detailed information on their superheroes and villains. It also has a rich history of various comic series.
First, start with basic shapes and simple lines to sketch the framework. Then, focus on adding details and shading to bring the characters and scenes to life. Practice regularly to improve your skills.
Start by coming up with a unique story idea. Then, do some rough sketches to visualize your characters and scenes. Next, work on the panel layout and decide how to pace your story.
I'm not sure if there's a single comprehensive list. You might have to search through various comic book databases or collector forums to piece one together.