What do French Shiraz, Cabernet Sauvignon, Sauvignon and Merlot mean?

They are all the names of wine. Here are the translations that can be seen on the Internet, most of which are transliteration.

Syrah wine

Shiraz Cabernet Sauvignon Shiraz Cabernet Sauvignon Shiraz Cabernet Sauvignon Shiraz Cabernet Sauvignon Cabernet Sauvignon.

Cabernet Sauvignon Cabernet Sauvignon wine

Merlot Merlot wine