This sentence would be taking advantage of "hyperbole" since it is using an exaggerated statement to further a basic idea--not to be taken literally that the fire actually "swallowed up" the house.
When all the corrections are made to a document, the original one is "vaporized" to ensure the "truth". This means that "corrections" or "rectification" of details were made, to ensure the message or the reality they wanted to show. These messages include political propaganda, or manipulation of truth.
