A mesostic is a poem or other typography such that a vertical phrase intersects lines of horizontal text. Typography is the art and techniques of arranging type, Type design, and modifying type Glyphs Type glyphs are created and modified using a variety Similar to an acrostic, but with the vertical phrase intersecting the middle of the line, as opposed to beginning each new line. An acrostic (from the late Greek akróstichon, from ákros, "top" and stíchos, "verse" is a Poem or other Writing
The practice of using of using index words to select pieces from a preexisting text was developed by Jackson Mac Low as "diastics". Jackson Mac Low ( September 12, 1922 &ndash December 8, 2004) was an American Poet, Performance artist, Composer It was used extensively by the experimental composer John Cage (Walsh 2001). WikipediaWikiProject Composers#Lead section --> John Milton Cage Jr