Logical languages are formal systems used to express statements and arguments in a clear and unambiguous way. They rely on symbols and rules to represent logical relationships, making it easier to analyze reasoning and derive conclusions. Examples of logical languages include predicate logic and propositional logic. These languages are essential in fields like mathematics, computer science, and philosophy, where precise communication is crucial. They help in constructing proofs, programming algorithms, and understanding complex concepts. By using logical languages, individuals can avoid misunderstandings and ensure that their arguments are valid and sound.