Earlier quoted context omitted.
I can’t see a catalytic converter theft on a car parked on the street as burglary. Parked in a (private) garage? Yes, burglary. Parked on the street? No. So, daytime theft of a converter from a car parked outside wouldn’t qualify I don’t think.
If you sleep in the car it will qualify no matter where you're parked. This also appears to be true of an RV or any vehicle that clearly accommodates sleeping. For reference: "Burglary" under the Texas penal code is defined by entering a habitation or any portion of a building that is not open to the public, either with the intent to commit a crime, or when followed by the actual commission of, or the attempt to comm…
They're not at all fully interchangeable, just many Americans have a poor grasp of the English language.