What's the difference between IFrame and Frame?

Question

Looking at options for embedding the 3D Secure page inside my own order form, I came across the following:

\"Some commerce sites will devote the full browser page to

Answer 1

iframes are used a lot to include complete pages. When those pages are hosted on another domain you get problems with cross side scripting and stuff. There are ways to fix this.

Frames were used to divide your page into multiple parts (for example, a navigation menu on the left). Using them is no longer recommended.