Wearing a ring on the ring finger: means "getting married", meaning that you will never be separated for a lifetime.
Wearing a ring on the middle finger: it means "the famous flower is in charge", so usually girls will wear the ring on the middle finger when they are successfully proposed or are already engaged. Generally, it is worn on the left middle finger.
The index finger wears a ring: it means unmarried and longing to get married. In addition, wearing a ring on the index finger refers to girls' independence and personality. The little finger wears a ring: it means that you are widowed or do not want to fall in love. So do you mean about the meaning of fingers?