Just to have Zen Cart greet a customer with "Hello World" can be done in a thousand ways. Changing the div order in one file can affect a multitude of pages. There is NO SUCH THING as the "same problem" nor is there a way for us to guess what you are talking about (much less see what is causing it) without a link to the page.
You could be needing a different setting in the Configuration menu, a change to a file, an "adjustment" in a stylesheet, or a rethink on the descriptions.
I can't quite think of product boxes that would vary based on the description. Maybe the title but, if it is the product listing, it generally truncates the description and provides a
more... link.
I'm sorry if this sounds harsh. Just that this is one of those times that I wish the posting tips were mandatory in order for someone to submit a problem.

The posting tips are VERY important. A mod that seems meaningless to mention just might be causing the problem. It could be a certain language pack. Many answers can help us help you.
Please post a link to the offending page with a little better description of the problem.
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