[Chainmail]

Not really. perimeter is the outside edge of any object.

Good thing nobody ever asked you to:

- Compute the perimeter of any object or

- Set up a perimeter defense of your unit’s position.

[BradyLS]

Gee, did I really need a sarcasm tag? :-)

Guess did. I knew I’d catch one. ;-)

[Graybeard58]

I’ve observed some use parameter when they mean perimeter.