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Cel animation is the traditional, hand-drawn animation technique that involves drawing and painting objects on celluloid (cel), a transparent sheet. Nearly all the cartoons in the pre-1990 era were created using cel animation
This might help u with this question :)
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First you will need to get an idea of what you want to do then that's when the are is needed once you have got the idea it will be time to manifest is into animation.
And yes non artists can still work in animation cause they can bring the whole idea to life
Not sure about the 1st one, but it sounds like a cruel irony, or karma, where one does something bad, and later on the same bad thing gets done to you. Breaking the fourth wall is when a character in a comic, book, or tv show/movie talks to the reader, or states that he knows that there is an audience and he is just a character (comes from the old tv sets where there were only 3 walls, and the fourth wall was where the audience would watch in, and cameras would shoot: so when they "broke the fourth wall", they looked out at the audience and talked to them). Externalised conscience is essentially, as far as i know, when a character decides between what he wants to do and what he should do, and there are usually many soliliquies (excuse the spelling) while he makes the decision. Not sure if this is all 100% correct, but that's what my non-drama knowledge allows me, and hope it helps you out a little bit.
