Literal in regular expressions and in descriptions of formal grammars is a synonym of terminal symbol (which is used in the formal language "literally", rather than generates a chain of substitutions).
Literal in data compression is a chunk of input data that are represented "as is" in the compressed data.
Literaltranslation adheres as closely as possible to the forms of a source language text
Literalism in religion and philosophy is the adherence to literal interpretation and fundamentalism.