A CD is a type of disc that stores digital information [data] and can be played on a CD player or computer. It is often used to store music albums, software programs, or data files.
- I bought a CD of my favorite band’s latest album.
- The software installation files are on a CD.
Very Simple Definition:
A CD is a round disc that holds music or other things you can listen to or play on a computer.
- I have a CD with my favorite songs.
- My dad plays CDs in his car.