Final answer:
Editing a text box to create a hyperlink involves using HTML, where the 'Link It Up' feature introduces relevant websites to supplement the information presented. Changes in electronic documents can be navigated through hyperlinked indicators.
Step-by-step explanation:
To modify a text box so that it creates a hyperlink to a pertinent website, you would typically need to edit the HTML code associated with the text box. A feature named Link It Up provides a brief introduction to websites that enhance the understanding and enjoyment of a topic. In an electronic document, changes are often indicated by a red square, which, when hyperlinked, directs the user to a related entry. This entry might also contain text that is hyperlinked, allowing for easy navigation back to the original page.
When you want to implement this in your document, the process involves using the 'a' tag to create the hyperlink. The href attribute within the tag is set to the URL of the website you want to link to. It is essential to ensure that this link is relevant and contributes positively to the user's experience, providing substantial value in the context of the subject matter presented.