How would you define content?

Content can be defined in several ways depending on context, with core meaning being what is contained inside something, whether physical container or abstract work. As noun pronounced CON-tent, content means material or substance inside, for example contents of box are items inside, contents of book is information and ideas inside, and digital content is information, videos, articles, and media available online. In publishing, content means substance of writing, what is said rather than how it is said. In digital marketing, content means any material created for audience like blogs, videos, podcasts, and social media posts designed to inform or entertain. As adjective pronounced con-TENT, content means satisfied and at peace with what you have, not wanting more, for example he is content with simple life, indicating emotional state of satisfaction. In philosophical sense, content means essence. In academic context, content means curriculum or subject matter taught. Defining content requires specifying context, physical content is matter inside, intellectual content is ideas and meaning, emotional content as adjective is state of satisfaction. For example, in hospital, content of negative pressure room includes HEPA filtration system that ensures clean air. So content is versatile word meaning what is inside, whether physical items, informational substance, or state of being satisfied, and its definition changes with pronunciation and context.