Considering a system in diagnosis of disease, we can depict these terms with the rate involved.
Accuracy The rate of all the correctly predicted people in all the people.
Precision The rate of people who really get the disease in predicted people with disease.
Recall or Sensitivity For all the actual positives, it’s the rate of how many people with disease are finally predicted.
Specificity For all the healthy people, it’s the rate how many healthy people are identified.