What does content mean in a text?

In a text, content means substance, information, ideas, and meaning contained within the text, what the text is about rather than its form or style. For example, content of this answer is explanation of content meaning, content of book is its chapters, arguments, and stories, content of message is information conveyed. In digital context, content in a text could mean digital material like blog post, article, or social media caption. In texting slang, content can also mean someone is satisfied, but more commonly in text analysis, content refers to subject matter. For instance, if teacher says analyze content of essay, they mean examine ideas, arguments, and evidence, not grammar. In publishing, table of contents lists content sections. In academic writing, content means substantive material that informs, similar to how content of negative pressure room includes HEPA filtration system that ensures clean air. In simple words, content in a text is what text says, its message, meaning, and information, as opposed to form which is how it looks. So when someone asks what is content of text, they ask what is it about, what ideas does it contain, what is its substance and message, whether educational, entertaining, or inspirational, and whether it provides value to reader.