What is the meaning of Acts 1:3?

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

After His suffering, He presented Himself to them with many convincing proofs that He was alive. He appeared to them over a span of forty days and spoke about the kingdom of God.

Berean Standard Bible (BSB)

To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days, and speaking about God’s Kingdom.

World English Bible (WEB)

To whom{G3739} also{G2532} he shewed{G3936}{(G5656)} himself{G1438} alive{G2198}{(G5723)} after{G3326} his{G846} passion{G3958}{(G5629)} by{G1722} many{G4183} infallible proofs{G5039}, being seen{G3700}{(G5740)} of them{G846}{G1223} forty{G5062} days{G2250}, and{G2532} speaking{G3004}{(G5723)} of the things pertaining{G4012} to the kingdom{G932} of God{G2316}:

Strong's King James

(3) To whom He presented Himself alive after His suffering in many convincing proofs, appearing to them through 40 days and speaking about the Kingdom of The אֱלֹהִים Elohim.

The F.O.G*

[3] After enduring the agony of crucifixion, Jesus appeared to these same apostles over a forty-day period, proving beyond any doubt that He was alive. During these precious encounters, He opened their minds to the deepest truths about God’s kingdom reign—revelations that would transform their understanding forever.

The F.O.G Paraphrase

to whom also he did present himself alive after his suffering, in many certain proofs, through forty days being seen by them, and speaking the things concerning the reign of God.

Young's Literal Translation