There are four basic forms of justification. The most often used in correspondence is left justified . The opposite, right justification , is used for special effects in poetry and occasionally to format tabular information when table functions are cumbersome. Most papers, articles, and books are fully justified . The text is adjusted so that both margins line up.
Full justification is accomplished in three ways.
The most elaborate form uses the above as well as hyphenation to pack the most text within a given space. The final form of justification is centered text . This is usually reserved for titles and other special effects. With the advent of cheap laser printing devices and the proliferation of software like TeX, LaTeX, MS-Word and personal computers to tie these all together, people have found new ways to express themselves in print. The point is the basic unit of vertical measure in typesetting.