Glyph
A glyph was a basic symbol in a written language.

The Novans on Terra Nova created several glyphs on the walls in tunnels and in the gutting room. ()

In 2370, Captain Jean-Luc Picard, while disguised as "", studied glyphs on Vulcan artifacts collected by Arctus Baran. In particular, he noted a glyph meaning "peace" placed between the glyphs for the Vulcan Gods of War and Death on the Stone of Gol. ()

See also 
 Egyptian hieroglyphs
 Klingon mummification glyph
 Pictograph
 Sakethan glyph stone
 Silvan glyph stone
Linguistics