This is a analyzed demo corpora, from Alan Liu's Data Collections and Datasets. In this corpora it shows data from presidential inaugural speeches from President Reagan to President Obama. This tool show the reader things that can help them come to a conclusion. For example, it has analyzed ever word of these presidents inaugural speeches, allowing us to to see the most common words used by them all in their speeches. You could get this from a different approach like close-reading. This along with many other tool in this corpora, helps the reader be able to assume things based on the data.