Body: People who study "Interpretation and construction of law" investigate identifies the meaning of words or actions, construction their legal effect.
Some questions in "Interpretation and construction of law" involve constitution, appeals, Marbury V Madison,.
Gregory Klass, TJ Chiang, William Baude & Stephen E. Sachs are some authorities of "Interpretation and construction of law".
Some motivations are learn about the law before becoming a lawyer.