Long Fence, a commercial and residential fence company, sells bollards and defines them this way: “Bollards are upright steel posts mounted in or alongside roads and parking lots to control, direct or obstruct vehicular traffic or impact.”
They're the stubby, concrete-filled barriers that protect office buildings and shopping malls across the U.S. The bollard's sole purpose is to prevent vehicles from crashing through. Wildlife and people can easily pass through. Examples of bollard fences:
President Trump has redefined the bollard fence as a wall. It sounds silly, but it's true. But before being too harsh on our President, it seems everybody is doing it...renaming things that is.
See the article, Donald Trump's obsession with renaming things
President Trump is not alone. See the article about how India’s ruling party’s penchant for renaming things is un-Indian HERE.
According to an article in the New Yorker, There's Power in Names.
There is also and article titled How to Overcome Anxiety: The Power of Renaming Emotions
Then there are people trying to erase history by removing monuments and renaming things. See this article.
Businesses do it. Philip Morris changed its name to Altria,
ValueJet became AirTran and Blackwater became ACADEMI. Why? The article 6 Reasons Why You May Want to Rename and Rebrand Your Business explains.
It's an interesting phenomenon.