Answer
$pole$, $eccentricity$.
Work Step by Step
With the four standard forms of the polar equations of conics, the focus is at the $pole$ and $e$ represents the conic's $eccentricity$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.