Netiquette is the acting or the behavior to communicate on the internet or online. Thus, option D is accurate.
The behavior or the manners of good conduct on the internet platforms and social media exhibited by a person is the online etiquette.
The word netiquette is a combination of the word internet and etiquette, which means the manner or conduct on online or internet platforms.
Therefore, option D. rules and manners to behave online is the correct meaning of netiquette.
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