Graphics Glossary

vector graphics format

Vector graphics are created with programs like Adobe Illustrator or Corel Draw. This kind of graphics format stores information in a different way (mathematical constructs) than common picture files like JPEG, GIF, BMP, TIFF which are called 'bitmaps'. 


bitmap graphics format

Most of the graphics images, whether on a webpage or in your digital camera is in this format, the most popular one is JPEG. These graphic files store images as a map of dots (that's why they called bitmaps).


dpi (or dots per inch)

This is a bitmap graphic image's resolution, that is, how close the dots which make up the image are from one another. The higher the number, the closer the dots are packed together and therefore, the higher the resolution. dpi applies only to bitmap images, and not vector graphics ones.


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