What is "literal contract"

Literal \Lit"er*al\ (l[i^]t"[~e]r*al), a. [F. lit['e]ral, litt['e]ral, L. litteralis, literalis, fr. littera, litera, a letter. See Letter.]

1. According to the letter or verbal expression; real; not figurative or metaphorical; as, the literal meaning of a phrase.

   It hath but one simple literal sense whose light the owls can not abide.
   --Tyndale.

2. Following the letter or exact words; not free.

   A middle course between the rigor of literal translations and the liberty of paraphrasts.
   --Hooker.

3. Consisting of, or expressed by, letters.

   The literal notation of numbers was known to Europeans before the ciphers.
   --Johnson.

4. Giving a strict or literal construction; unimaginative; matter-of-fact; -- applied to persons.

   Literal contract (Law), a contract of which the whole evidence is given in writing.
   --Bouvier.

   Literal equation (Math.), an equation in which known quantities are expressed either wholly or in part by means of letters; -- distinguished from a numerical equation.