'Summons' in the Bible
Six days shall work be done, but the seventh day is the Sabbath of rest, a holy convocation or assembly by summons. You shall do no work on that day; it is the Sabbath of the Lord in all your dwellings.
[The Assyrian leader] remembers and summons his bravest men; they stumble in their march. They hasten to the city's wall, and their movable defense shelter is prepared and set up.
But they were not concerned and paid no attention [they ignored and made light of the summons, treating it with contempt] and they went away -- "one to his farm, another to his business,
And when he gets home, he summons together [his] friends and [his] neighbors, saying to them, Rejoice with me, because I have found my sheep which was lost.
And when she has found it, she summons her [women] friends and neighbors, saying, Rejoice with me, for I have found the silver coin which I had lost.
Was anyone at the time of his summons [from God] already circumcised? Let him not seek to remove the evidence of circumcision. Was anyone at the time [God] called him uncircumcised? Let him not be circumcised.
Everyone should remain after God calls him in the station or condition of life in which the summons found him.
I therefore, the prisoner for the Lord, appeal to and beg you to walk (lead a life) worthy of the [divine] calling to which you have been called [with behavior that is a credit to the summons to God's service,
For the Lord Himself will descend from heaven with a loud cry of summons, with the shout of an archangel, and with the blast of the trumpet of God. And those who have departed this life in Christ will rise first.