What makes a great wine and how can we simply choose the best wine?

Plus,what is the ideal percentage of alcohol in a wine for the wine to tastes great?And which is better,white wine or red wine?Thanks for answering.

wine ????????

I do not usualy consume alcohol but I would like to try a bottle of wine. I don’t like dry or white wines so I am wondering if anyone could suggest a sweet ,fruity wine with a good alcohol %