Rubin, a freelance software developer, has a meeting with an independent bakery owner to discuss a potential project. Before meeting with the client, Rubin does a thorough research on the client's business and the client's educational background. He develops his proposal accordingly, ensuring to use common words instead of technical jargon. In the given scenario, which of the following communication guidelines does Rubin follow?
A) Avoid bias.
B) Avoid the use of slang.
C) Be concise.
D) Analyze your audience.