Part of the Printers glossary: PDF is also an abbreviation for the Netware Printer Definition File. PDF (Portable Document Format) is a file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else.PDF files are created using Adobe Acrobat, Acrobat Capture, or similar products.art of the Printers glossary: PDF is also an abbreviation for the Netware Printer Definition File. PDF (Portable Document Format) is a file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else.
A continent is one of several very large landmasses on Earth. Generally identified by convention rather than any strict criteria, up to seven regions are commonly regarded as continents. Ordered from largest in size to smallest, they are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
There is no standard definition for the number of continents but you will commonly find that the numbers six or seven are used. Many consider there to be seven continents-Africa, Antarctica, Asia, Australia, Europe, North America, and South America.Most students in the United States are taught that there are seven continents.hus, these six continents are Africa, Antarctica, Australia, Eurasia, North America, and South America. Geographers divide the planet into regions, and generally not continents, for ease of study. Various geographers have various definitions of these world regions.