What is this preview pattern for vertical tabs called?

In the System Preferences on Mac OSX, the following preview pattern is shown: a list of options on the left, displayed as vertical tabs, and a preview window for every selected option. In this particular case, a video is played to clarify this option.

I have seen the same pattern being used on another website (Atlassian, I believe), in order to show multiple, grouped features in a way that allows for showing information very strict spacing.

Now that I would like to use a similar pattern, I'm curious to know whether these are regular vertical tabs or something else?