The little finger or pinkie, also known as the baby finger, fifth digit, or pinky finger, is the most ulnar and smallest digit of the human hand, and next to the ring finger.
Human little finger
Pinky promise
Signet ring (little finger) and wedding ring (ring finger) on a left hand
The ring finger, third finger, fourth finger, leech finger, or annulary is the fourth digit of the human hand, located between the middle finger and the little finger.
A left human hand with the ring finger extended
A man putting engagement ring on woman's finger