Model: it is the estimated (not quoted) price of an option. You may call it the fair price for the option. It helps you identified market overpriced or cheap options.
IV%: implied volatility in %. It helps you recognize highly sought after options. Under some circumstances you may want to SELL high implied volatility options and BUY low implied volatility options. Take a look at the book I recomended to you before, "The volatility course"
OI: Open interest. Number of short positions in the underlying stock.