Final answer:
The gear icon on the banner frame is selected to customize an individual's instance.
Step-by-step explanation:
The gear icon on the banner frame is selected to customize an individual's instance. This gear icon usually represents settings or options for customization in computer applications or websites.
For example, if you want to change the background color, font size, or layout of your instance, you can click on the gear icon to access these customization options.
Customizing an individual's instance allows them to personalize their experience and tailor it to their preferences.