Can you write me a summary of the following text for a presentation?

First, a quick review…

- web page consists of objects, each of which can be stored on different Web servers

- object can be HTML file, JPEG image, NAME_1 applet, audio file,…

- web page consists of base HTML-file which includes several referenced objects, each adressable by a URL, e.g., Provide two versions of response separated with exactly 6 asterisk symbols: ******.
user