Hi Friend , I see around 50% of your article is with plagiarism.

Active key - The active key is meant for more sensitive tasks such as transferring funds, power up/down transactions, converting Steem Dollars, voting for witnesses, updating profile details and avatar,

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Owner key - The owner key is only meant for use when necessary. It is the most powerful key because it can change any key of an account, including the owner key. Ideally it is meant to be stored offline, and only used to recover a compromised account. It's the most important key.
Original Content

And please add the original sources of the images too..

Every thing else is really great ! I went through the whole article and answers are very clear .. Can you please update your post and resubmit again clearing these mentioned facts .. so I can quickly send you through achievement 2 for the next task
Thank you