Power2Go application was developed exactly for this purpose: to burn discs. You will need to know what type of CD you want to burn: an audio one, a VCD, a data CD, etc.
Open the application, then click the icon that corresponds to your needs. Various burning mods have various options. For example, an audio CD will offer you the possibility of adding only the supported audio files. A data CD contains all the files you want in the limit of 700 MB, a VCD is 800 MB, etc.
To burn a DVD, open the application, click the icon, add the necessary files, change the burning speed and burning method and click Burn/Create and that's it.