What umbrella term includes HTML, scripts, styles, and the DOM for providing web interactivity?

Dynamic HTML (DHTML) is the correct answer because it encompasses a combination of HTML, CSS (styles), and JavaScript (scripts) to create interactive and animated web content. This term refers to the ability to change the document structure, style, and content dynamically in response to user actions or other events. By utilizing the Document Object Model (DOM), DHTML allows for the manipulation of web pages in real time, leading to a more engaging user experience.

The other options are more specific applications or concepts rather than umbrella terms. Application Cache refers to a web API that allows web applications to store resources on the client’s device for offline use, but it doesn't imply the broader interactivity captured under DHTML. The term "Client" generally refers to the side of web interactions that occur on the user's device but doesn't specifically relate to the technologies that provide interactivity. Drag-and-Drop represents a specific user interface feature that can be implemented using DHTML but is not a broad term for the composite technologies that create interactive web pages.