Do we have a corporate bond wiki here?

Guden to the group, I have about 7K of cash left that I would like to invest in (corporate) bonds. But since I don't know much about it, e.g. what influences there are on bonds that change the value, etc., I would like to read up on the matter beforehand. A stock ETF is out of the question because I need the money in 5 years. Since the amount is now so small that I can easily handle a draw down of 20% (I bought a lot of stock ETFs on liberation day), I thought