We talk more about word selection errors, the supremely annoying tip of the tongue phenomenon, and introduce working memory. WM is a difficult concept, but it's also an important one.
Check out this quick image of Oberauer's WM model before listening: https://farm4.staticflickr.com/3856/14800947902_1de10ecbd0.jpg
Coincidentally, I had chosen this title BEFORE Canvas decided to massively fail this afternoon. Go figure.