Content of language specifically relates to which of the following?

The correct choice relates to "semantics," which is the branch of linguistics concerned with meaning in language. Semantics examines how words, phrases, and sentences convey meaning, focusing on the relationship between signifiers (like words) and what they signify (the concepts or ideas they represent).

In the context of language content, semantics is crucial because it allows speakers and listeners to understand and interpret meaning effectively. It encompasses various aspects, including word meanings, sentence meaning, and the implications of language use in different contexts.

Other branches of linguistics, such as phonetics, syntax, and morphology, deal with different aspects of language. Phonetics focuses on the physical properties of sounds, syntax concerns the structure and rules governing sentence formation, and morphology studies the structure of words and their components. While these areas contribute to the overall understanding of language, they do not specifically address the content or meaning conveyed by words and sentences in the way that semantics does.