Full text means that the article itself can be read from or printed from the computer.
Those not available in full text may be obtained either in the Serials Department or through Interlibrary Loan. The truncation feature is one feature of these indexes worth knowing about. It always pays to experiment a little when using an index. If you're looking for materials on advertising and the law, for example, try numerous combinations of terms to probe the database for everything you can. The Internet Never put all your eggs in one basket.