So what's the important things to know here?

That:

  1. HTML give limited control of document appearance
  2. That HTML is cross platform
  3. Yet different browsers will interpret some tags uniquely

But I can at least list some definitions of

Browser
(insert the definition)
Hypertext
(insert the definition)
Dynamic Media
(insert the definition)
Interactive
(insert the definition)
URL
(insert the definition)

And if you like, you can send an email to your email address