<em>Decoding</em><em> is the process of translating a message received into understandable language or symbols.</em>
Explanation:
The verb <em>to decode</em> means to convert or translate some written or spoken coded message into intelligible language. In a non-literal sense, it may also mean to discover the underlying meaning of some piece of literature or imagery.
to convince the public to support an idea to entertain the audience by describing a recent event to explain a complicated political process to showcase the speaker's public speaking skills.