Pixar is One of the leading companies in the world of the anime, which manufactures animation by the use of computer-generated imaging or CGI, for its high quality that is not observed by the human eye.
Cartoons are made by drawing several scenes by hand and then showing them in sequence so that the human eye would not notice the difference so that the scene seemed to be simulated.

GIF The animation format appeared in the late 1990's when the speed of the internet was limited. It was a very popular GIF because of its small size and low accuracy. It is a slideshow of fixed images behind each others for a certain period of time. Now, we have 3D animation images,
3D models can be designed in a 3D space and make models interact with each other. There was an emerging film company that sought to turn the concepts of motion picture industry, led by Jean LaCeter, called Pixar, where it created the first full-length animated cartoon: Toy Story in 1995!

If you are a design Amateur and have a desire to make your own film, do not worry about it! CGI technology has become very low cost thanks to the huge technological development that is easy to access and use. All what you need is some time and your own computer.