1)   Mac Computer Dictionary - LAN 1.0
Apple Mac Lesson - What is a LAN explained in Plain English. A LAN is a common computer term that a lot of people don't understand very well, if at all. This lesson will use Plain English to explain it in a way that will finally make sense.

 2)   Mac Computer Dictionary - Sound Card 1.0
Apple Mac Lesson - What is a Sound Card explained in Plain English. Sound card is a common computer term that a lot of people don't understand very well, if at all. This lesson will use Plain English to explain it in a way that'll finally make sense.