Regarding St. Joseph Church, what is historic preservation?

Sea Isle City - Regarding St. Joseph Church, what is historic preservation? Historic preservation is the identification, evaluation, and protection of historic and archaeological resources so that they continue to play an integral, vibrant role in their communities. New Jersey’s historic properties and the environment in which they exist are irreplaceable assets that contribute to the quality of life that residents enjoy and expect (https://www.nj.gov/dep/hpo/hpo_article.pdf).