Vector work is done by geometric relationships of points, lines, curves, and shapes or polygon which between the points and the paths relating them for describing an image. It is collection of those points and mathematical formulas.
In a word – Vector is the relationship of points.
Vector’s formats are balancing to raster image which represent of images as selection of pixel. Most graphics designed in Photoshop are raster and are often saved as file saved as – .jpg, .gif, .png, .bmp or .tiff. When it try to broaden a raster graphic or image it becomes very wooly and shadowy and not good. To reduce this problem Vector is most constructive for logos or low quality’s images. And Vector file saved as .ai, .eps and .svg. Vector image has no fasten motion, which means improve up to any aspect without downing the image quality. It is great for print, flash animations and designers & clients loved them. It gives great flexibility, because of this.Adobe Illustrator renders Vector graphics without limitation to size & use different Vector Tools.
Imagenish.com is very expert in graphic design.They offers you all graphic works at a very low rate.