This is a nice link from Audio Technica which shows the components of a phono cartridge.

http://www.audio-technica.com/cms/re...cartridges.pdf


The drawings will help show the different parts of a phono cartridge. Once you have decided on a cartridge there are some good links for cartridge alignment.

http://www.tnt-audio.com/accessories/schon_e.html

Mounting and setting up a phono cartridge can be a little daunting at first but once done all you have to do is enjoy the music.