What does 1 Samuel 4:18 mean?

And it came to pass, when he made mention of the ark of God, that Eli fell from off his seat backward by the side of the gate; and his neck brake, and he died: for he was an old man, and heavy. And he had judged Israel forty years.

And it came to pass, when he made mention of the ark of God, that he fell from off the seat backward by the side of the gate, and his neck brake, and he died: for he was an old man, and heavy. And he had judged Israel forty years.

And it came to pass, when he made mention of the ark of God, that Eli fell from off his seat backward by the side of the gate; and his neck brake, and he died: for he was an old man, and heavy. And he had judged Israel forty years.

And at these words about the ark of God, Eli, falling back off his seat by the side of the doorway into the town, came down on the earth so that his neck was broken and death overtook him, for he was an old man and of great weight. He had been judging Israel for forty years.

And it cometh to pass, at his mentioning the ark of God, that he falleth from off the throne backward, by the side of the gate, and his neck is broken, and he dieth, for the man <FI>is<Fi> old and heavy, and he hath judged Israel forty years.

And when he had named the ark of God, he fell from his stool backwards by the door, and broke his neck and died. For he was an old man, and far advanced in years: And he judged Israel forty years.

And it came to pass, when he mentioned the ark ofGod, that he fell from off the seat backward by the side of the gate, and his neck broke, and he died; for the man was old, and heavy. And he had judged Israel forty years.