When sending in a job, always include both printer and screen fonts. (see more about fonts)
Fonts in Illustrator/Freehand
When working with text in Illustrator or Freehand, be sure to convert all text to either outlines (for Illustrator) or paths (for Freehand). Otherwise you risk fonts not being transferred correctly. This is especially important with logos.
Bitmapped Graphics vs. Vector Graphics
Bitmapped graphics are pixel-based, meaning the computer stores a file that is x-pixel long by y-pixel high, and puts a specific color in each coordinate. This is why dpi (dots per inch) is important. The bigger the dpi, the more pixels go into each dot, creating a much clearer and sharper image. Examples of bitmap graphics are: tiff, jpeg, gif, bmp, pict, wmf and photoshop files.
Vector graphics are vector-based, meaning the computer stores a file of mathematical formulas which will create lines and curves that appear smooth at any scale. This is a great format for graphic logos, which can then be as small as a stamp or as large as a billboard without losing quality. Examples of vector graphics are: eps, illustrator, corel and freehand files