Would anyone be able to check the following paragraph for me?

We have also visited the headquarters of LiveABC. After a briefing by their chief editor, Mr. Jason Chen, and our on-the-spot observation of their working, we got an elementary knowledge / basic idea of the complicated process of how to publish a magazine and make a CD-Rom. How do you evaluate a magazine and a CD-Rom? Please write a paragraph within 60-80 words.