Arabica is a species of coffee, Columbian is the country in which a particular coffee is grown. So coffee can be Arabica and Columbian too.
North Americans have a choice of two kinds of species of coffee. Arabica and Robusta. Arabica is very smooth and is considered higher quality and more desirable than Robusta. It is the species that is used most often in specialty coffee shops including Starbucks and is usually more expensive. Robusta tastes grittier and is used most often in places like employee cafeterias, truck stop diners, instant coffee and all-grind pre-ground coffee. The traditional Maxwell House is a good example of Robusta.
Otherwise both Arabica and Robusta are grown in Colombia for both markets. Names like Columbian, Ethiopian, Indonesian, Guatemalan, Mexican, etc. are different types of coffee grown in different countries. They may have slightly different flavors depending on how they are grown and the climate and soil of that country, but they would have to be either of the Arabica or Robusta species.
Sorry if I sound like a know-it-all
but I got a book about this one Christmas.