An animation is defined as a visual change. The visual change in the scene is not only associated with the
change in the position of the object, but also with its shape, color,
transparency, structure and texture. Animations are represent of reality of real life and express of all information about the company. An important point about animation
is that it usually signifies the hand drawn or artificially drawn
sequence of images, which contrasts to the movies where actors'
performances with real-world scenes are recorded.
Here some example of animation:
Here some example of animation:

