The route was used so much that it formed a rut.

A page standing at the entrance walked toward me and made low obeisance, saying: “Most noble and reginal receptacle of our wisdom, accompany me that I may introduce you to our Sophologos.”

We analyze both the case when the underlying transformation group is projectable and hence induces an action on the image, and the case when only a proper subgroup of the entire group acts projectably.

“Do I have a smut on my nose, Mr. Donovan? You've been staring at me for a full minute. It's most disconcerting, you know.”