When you'll be using it you'll only have to choose a term, click it and choose the 'link' option, it will appear a blank page vinculated to it automatically.
Throughout the navigation bar you can level up and down the words in a document. You can also use the upper-right box.
Another good option we can take advantage of is that one which allow us to upload the file to a server and then download from anywhere we'll go.
Finally, we feel that it lacks of some options, but as it is being developed it will be powered up in a short time.