It's different than a fence in that it also has technology.
How Long Is Trump's Border Wall. Mexico border had primary barriers. How much of it got built?
Wall ‘Will Get Built,’ Trump Insists, as He Drops Funding ... from static01.nyt.com
Unfortunately they are going to keep wasting us taxpayers' money on it despite the poor design and obvious flaws in the concept: How trump could declare 'victory' on the 'wall'. Trump derangement syndrome on steroids !!
It's a full wall system, she said.
How much of it got built? Trump's border wall has long existed as something of a spectre, a piece of rhetoric more than a real plan. This isn't a border wall: President trump has waffled on how long the border wall will be: