Because these are most common materials used for building houses, (in CZ).
And wanted to distinguish I don't mean classic house made of classic bricks.
Because if American see a brick house, they think this, right?
https://st.hzcdn.com/simgs/afd1745b0164c256_14-6933/home-des...
And this type of house is very rare here. Maybe you can't even build it here, because of bad heat insulation etc.
Likely the same in the US.
https://ncma.org/resource/faq-20-14/
Every type has some specific trade name that rarely matters much - your images look like the type that interlock with a specific keying profile.