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Rating 4

The answer for this question definitely doesn't need redirection to external links. Bonus units briefly explained would be nice too.

Accurate. Response accepted as a qualifying submission.

Don't forget you can also earn points by scoring the clarity and helpfulness of other qualifying responses.

Rating 6 - good use of a link, with the basic info needed.

This is 4. Clearly, it's possible to explain in a few words like others have done. One would be lazy to read an entire post.