4mepgs to 1 dvd

[OSIAS]

look i have this movie that has had to be ripped from a dvd to a mpeg format i have 4 mpeg files.

i want to ript this to one file and burn it to a dvd so that any dvd player that can read my media dvd-r will play it like a normal dvd.

now i am knew to this sorta so explain what i need to do as if i were a child i imagine their is some software that will rip it to a certian type of file and i can just burn the file and walla..

also i have a digtital quality camcorder. i want to be able to convert this the same way as well could u include on this as well i do not know what type of file or software i need to pull it off the camera either i am totally knew to that ...

so help me please .. thanks !