Novice web surfers may already know that active hypertext links are displayed in blue, underlined text. However, since only the URLs most pertinent to the current lesson will be blue, the user will not become inadvertently sidetracked by linking to URLs which are not directly pertinent to the lesson. However, some interactive web sites must reset your browser's history. This sometimes causes confusion for novice computer users, since many browsers will place the image's window directly on top of the web page's window. In that case, you may move the image's window to the side, revealing both the image window and the usual web browser window.
Frames are just multiple web pages displayed in the same browser window.
All modern browsers have frames capability, but other browsers may not be able to display frames. This should be sufficient for most users' purposes. The Repository contains software for the VRML 1.0 format, and for the modern VRML 2.0 format. VRML 2.0 contains advanced features, and therefore requires a relatively modern computer system. For example, to submit a keyword search query of a humanities SGML archive.