The word "subjects" refers to topics, subjects of study, or themes that are being talked about, investigated, or researched. Synonyms for this word include themes, topics, subjects matter, issues, themes, content, areas of focus, ideas, or concepts. These synonyms are often used interchangeably in academic literature, news media, and everyday conversations. They are used to describe the different areas of knowledge, inquiry, and exploration that people engage in to better understand the world around them. Whether it's science, history, literature, or politics, subjects are used as a way of categorizing and organizing different bodies of knowledge and ideas.