Final answer:
A message is something that stands for or represents something else. Propaganda is a type of message that is made to manipulate people's actions and beliefs. Bias refers to messages that only show one side of a debate. To endorse something means to officially support a product, candidate or idea.
Step-by-step explanation:
- Message: Something that stands for or represents something else
- Propaganda: Messages that are made to manipulate people's actions and beliefs
- Bias: Only shows one side of a debate
- Endorse: Officially support a product, candidate or idea
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