Semiotics [edit]. In semiotics (the study of signs or symbolism), salience refers to the relative importance or prominence of a part of a sign.
How to Become a U.S. Marshal. The United States Marshal Service is the Department of Justice agency that is responsible for protecting the judicial system. They ensure that justice can be carried out without threat to court buildings, court officers, witnesses, or anyone else involved in trials.
Witness Security â The U.S. Marshals Service is responsible for ensuring the protection and safety of witnesses who testify in federal court. They have provided protection services for more than 8,000 witnesses since 1971, which includes protecting and relocating witnesses and providing them with new identities.