Which type DVD.?

Just bought a new computer with a DVD burner.My previous computer didn't have one.My question is:what type of DVD do I need.Just want to D/L a few home movies,I have saved to my computer,similar,etc...???
I don't understand the total difference between them.(know the RW is to copy over top of),I think.But what about DVD+R,or DVD-R.??If there is an explanation somewhere on this site already,please lead me to it.Thanks for reading this long question.!!

Reply 1 : Which type DVD.?

And while most will use either + or -, you may discover your player likes one over the other. The difference between them is well discussed but does not matter. What matters is which your player can use, and if it can use either, which does it seem to prefer.
Bob

Reply 2 : Which type DVD.?

Thanks for quick reply,Bob.Also for the concise answer.Will try both,and see what my player likes,lol.Thanks again.!!