•Mouse-whisker—The length of an average mouse whisker, roughly around a few millimeters or centimeters. Generally used in terms to say something was very close.
 
•Whisker-length—The length of an average cat whisker, roughly a few centimeters. Generally used in terms to say something was very close.
 
•Mouse-tail—The length of an average mouse tail, roughly once inch or five centimeters.
 
•Mouse-length—The length of an average mouse, roughly two or three inches or up to fifteen centimeters.
 
•Mouse-span—Similar to a Mouse-length, the size of an average mouse, roughly two or three inches or up to fifteen centimeters.
 
•Frog-length—The length of an average frog, roughly five inches or ten centimeters.
 
•Tail-length—The length of an average cat's tail, roughly one foot or thirty centimeters.
 
•Tree-length—The length of an average tree, roughly forty to fifty feet or around fifteen meters.

•Kittenstep—The length of an average kit's step, roughly one inch or five centimeters.
 
•Kit-hop—The length of an average kit's hop, roughly one and a half inches or up to ten centimeters.
 
•Rabbit-hop—The length of an average rabbit's hop, roughly one and a half feet or forty five centimeters.
 
•Pawprint—The length of an average cat's pawprint, roughly three and a half inches or up to twenty centimeters.

•Pawstep—The length of an average cat's step, roughly six inches or up to thirty centimeters.