NLP: How to visualise the main context (in the form of words, sentences etc) of a text document?

I'm working on a project where I'm trying to establish the differences between various text documents through Visualization (Visualization, must I say, is one of my key goals here). The immediate ones I can think of are obviously plotting a WordCloud or even, let's say, plotting a barplot of most frequent terms in each document. And since all these are pretty generic, I just wanted to ask if there is any better way to do the job? Any library/framework/procedure that …

context datascience nlp text words