When you analyze the logic and meaning behind a poem, this is an example of when you study the semantics.
An example of semantics is how a sentence is interpreted in a multi-page document; the semantic meaning of the sentence.
Origin of semantic
- French sémantique from Greek sēmantikos significant from sēmantos marked from sēmainein sēman- to signify from sēma sign
From American Heritage Dictionary of the English Language, 5th Edition