[iraphael]

And this is one that explains everything OP needs to understand the confusing sentence from their intro:

http://mccormickml.com/2016/04/19/word2vec-tutorial-the-skip...

[oelmekki]

Thanks :) I feel like some key concepts are a bit beyond my reach, but that they are such a small quantity that it can be a good starting point for googling around. Thank for your help!