The usual kind of KeyWords analysis. It compares the one text file (or corpus) you're chiefly interested in, with a reference corpus often based on a lot of text or else a comparable one. In the screenshot below we are interested in the key words of deer hunter story and we're using BNC as the reference corpus to compare with.
Choose Word Lists
In the dialogue box you will choose 2 files. The text file in the box above and the reference corpus file in the box below.