What is the meaning of Mark 12:28?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

Now one of the scribes had come up and heard their debate. Noticing how well Jesus had answered them, he asked Him, “Which commandment is the most important of all?”

Berean Standard Bible (BSB)

One of the scribes came, and heard them questioning together. Knowing that he had answered them well, asked him, “Which commandment is the greatest of all?”

World English Bible (WEB)

And{G2532} one{G1520} of the scribes{G1122} came{G4334}{(G5631)}, and having heard{G191}{(G5660)} them{G846} reasoning together{G4802}{(G5723)}, and perceiving{G1492}{(G5761)} that{G3754} he had answered{G611}{(G5662)} them{G846} well{G2573}, asked{G1905}{(G5656)} him{G846}, Which{G4169} is{G2076}{(G5748)} the first{G4413} commandment{G1785} of all{G3956}?

Strong's King James

(28) One of the Torah-scribes came, hearing them argue saw that He answered them well, asked Him, "Which commandment (mitzvah) is first of all?"

The F.O.G*

[28] A religious scholar had been listening to these debates, impressed by Jesus' wisdom. He asked sincerely, "Of all God's commandments, which is most important?"

The F.O.G Paraphrase

And one of the scribes having come near, having heard them disputing, knowing that he answered them well, questioned him, ‘Which is the first command of all?’

Young's Literal Translation