Why do you think Dictionopolis is located in the foothills of confusion?

The "dictionary" is used to gain knowledge by those who are confused by meaning.

"A-H-H-H-R-R-E-M-M," roared the gateman, clearing his throat and snapping smartly to attention. "This is Dictionopolis, a happy kingdom, advantageously located in the foothills of confusion and caressed by gentle breezes from the sea of knowledge.