It is a non editable low resolution image.Here DPI stands for dots per inch. The more dots/pixels the image contains, the sharper the image will be. It works great for web use, presenation or project reports due to its low file size. It is a non editable high resolution file. The image is much sharper as compared to 72 dpi and his recommended for printing. It is a professional quality vector graphic editor software. Its applications are diverse, from creating print to web graphics and, draw illustrations and posters. The map in the AI format is editable and can be used to add/delete text, change colors, increase/decrease size of map etc. The maps in this format are scalable without the loss of high resolution.It can be used to read and write EPS, AI, PDF, SVG, and many other formats PDF files are created using Adobe Acrobat, Acrobat Capture, or similar products. To view and use the files, you need the free Acrobat Reader, which can easily download.The maps in the PDF format are also editable and can be used to add/delete text, change colors, increase/decrease size of map etc. The maps in this format are scalable without the loss of high resolution. EPS is a file extension for a graphics file format used in vector-based images in Adobe Illustrator. It is also a vector format and these can be used to tweak and modify EPS files, to add annotations, to resize them and even to export them as different vector formats. It also usually contains a bit map version of the image for simpler viewing rather than the vector instructions to draw the image. The delivery times are approximate based on the previous record and for shipping within US only. For other international shipping locations please mail us at firstname.lastname@example.org. Source.