What is Ghetto Zouk? What is the connection to Kizomba and Zouk?
Ghetto Zouk was the trademark of an European boys band in the 00s. Today it's mostly kept alive by "kiz" dancers as a generic name for slow, low energy music.
Styles
What are Tarraxinha, Tarraxa, Tarraxo? Are they different from Kizomba?
Tarraxa and Tarraxinha are pretty different to Kizomba! Tarraxo, doubly so.
Zouk: born in the Caribbean, adopted by Brazilians
Zouk appeared in the Caribbean. Later, Brazilians started using it as a substitute for Lambada.