Provide definitions of terms and lingo. Some words have multiple meanings or are specific to computer-based information and instruction. Examples help to explain by linking prior experiences with new information. Provide concrete instead of abstract navigation buttons. Select icons carefully.
Examples are to use a home icon for the home page and question mark for the help link.
Consider all possible interpretations of icon before selecting one. Provide a site map. Assists in visualizing information and navigating the web site.