Create a new content element using Regular text element.
Change Type to 3 Column(4D f/x).
If using <div>-template the Column height will set the height for this content element.
With Layout you can select upto 3 different layouts depening on the template.
With Order you can change the display order of left column and bodytext.
Save and preview.
The height of the div section can be set with Column Height.