Warning: Adding or Excluding certain items my put you at risk.
This warning will be on all the Power User Features. Since everything you exclude or let through is a risk. Please be sure you know what items you are excluding or allowing through. If you are unsure, it won't hurt to ask me. I'm here to keep you safe.
Content Control is where you can go to lock down certain web sites or time frames for web access. By default, nothing will be excluded from your access. I'm not here to judge what sites you can access. My concern is that you are safe when you do visit them. But if you do feel you need to lock down your computer from certain sites, Content Control is where you can. The list is extensive of what you can lock down. I think a screenshot will cover this best. The list is longer than the screenshot will show, but you get the idea of what you can lock out from your computer.
You can also set a schedule for when the computer has access to the web using Content Control. In my example the computer would only have access to the web from 6am till the 7pm at which point all access to the web is locked out.