When a lesson is selected by clicking the lesson link on the home page, under the heading of "HTML Lessons", a simulation of the HTML source code for the selected lesson will appear in this frame (the typed text which creates a web page is the source code for the web page). Many characters in the source code text do not appear on the computer screen (in the simulations herein, the appearance of these characters was achieved by the utilization of images)
In each lesson frameset, this frame will have a scroll bar, enabling the user to coordinate the source code display in this frame with the explanations of the source code in the frame below.