What is meant by Vector Graphic Animation? What is the use of pre-loader? - Flash

What is meant by Vector Graphic Animation?

- Raster graphics are jpg, gif, png, and bmp graphics.

- Vector graphics use math formulae to draw shapes.

- Raster graphics save several tiny colored dots.

What is use of pre-loader? What are the different variables used for creating pre-loaders?

- Information about downloading files is shown by Pre-loaders.

- Pre-loaders also show the remaining bytes of the file that is being downloaded.

- The variables for creating pre-loads are - 1._framesloaded 2. _totalframes.