What action did the dog take that caused significant property damage?

The action of the dog jumping through the window resulted in significant property damage primarily because it implies a forceful and destructive movement, likely breaking the window and possibly causing injury or damage to surrounding structures, furniture, or items in the vicinity. This type of action is typically more impactful than actions that cause minimal or localized damage, such as chewing a curtain or knocking over a coffee table. Jumping through a window can lead to a higher repair cost due to the need for glass replacement and potential costs associated with repairing any adjacent items that might have been affected in the process.

In contrast, biting through a couch or chewing on a window curtain tends to have a limited impact, affecting only those specific items rather than the broader structure. The act of knocking over a coffee table, while it could create a mess, generally wouldn't result in the same level of damage compared to the risk and harm posed by a dog jumping through a window. Therefore, the choice involving the dog jumping through the window aligns with the scenario described, highlighting a significant and consequential action.