It means the person must be given proper chance of being heard followed by fair and reasonable treatment under the judicial system.
The doctrine of non- delegation states that a branch of government cannot authorize another body to perform the functions which it is constitutionally authorized to perform itself.
Deceptive practices are those practices that are undertaken to deceive the consumers. There are various tactics used by people with the aim to sell their products, the advertisements made are so fancy that people actually want to buy.
Executive privilege is the right of the president of the United States and other members of the executive branch to maintain confidential communications.