Some of the terms you may encounter with your first Mac:
Combo Drive: An optical drive that combines CD-R/CD-RW recording capability with the ability to read (but not write) DVD media.
SuperDrive: An Optical Drive that can Read and Write both DVD and CD Media with which you can record audio/video, backups and general data to a variety of disc media.
Dual Core Intel: Central Processing Unit
AppleCare: A service and support plan that is backed by Apple and extends the complimentary one-year coverage on Apple products.
iThis, iThat, i ...i ...i ...: These names tend to be pretty simple, but if not, ask what the iThis or iThat does or how it is used.