I want to burn a CD for playing in my car... Do I need a Data CD or mp3 CD?

Can I burn a Blu Ray disc using my laptops standard DVD burner?

The share option only allows me to upload to sites like youtube, and the email attachment restricts the size. I connected my iphone5s to my computer, but all that shows up is pics. When I used my iPhone 3, everything (pics, music, videos) was transferred well.

I want to transfer itunes music from my old desktop to my new laptop. I have both purchased songs from Itunes and free songs downloaded from limewire and the like, will transfer software transfer all of the music to my laptop?

Usually i like to collect some classic dvd movie disks so that i can watch again on my house dvd player when i am free.but recently i got an ipad 4 from amazon online store.I really watch dvd movie on my pad whenever i want.However,this seems not so easy. Please give me a hand and would be grateful.

I want to download a video off youtube, so when my internets down, I can watch it on my laptop, my question is, what format do I download it in, so I can press a button on my desktop and the video would play?