Well it depends on how you plan to display the text. You can collect data from the sensors and interact with them in the Arduino IDE. You can see the data it displays in the Serial Monitor. You can also display data on a LCD display for example. There are several threads in this forum that show users making projects with LCD screens.
You can also use the Galileo as a web server, you can check this example Creating a Web Server on the Galileo: Using the Arduino IDE. | Allyn H to get you started.
Regarding the communication method it is up to you to determine, based on your application, what would be the best approach for your project. What communication method are you going to use? Take a look at Arduino - IntelGalileoGen2 for some information on how to communicate with different devices using a Gen 2 board.