Keep in mind this article is from a British source and they tend to associate the word Queue to mean what Americans call a Line. So when he is saying a 'LIFO Qu

Keep in mind this article is from a British source and they tend to associate the word Queue to mean what Americans call a Line. So when he is saying a 'LIFO Queue' he means a 'LIFO Line'. And you're right, a Stack is a Comp Sci term. You're assuming this guy is Computer Scientist, which may not be true (most people are not).