Can someone explain very simply what the ante number is

up the ante meaning  There is one meaning in OED's entry for the noun ante-supper See 'Meaning “” Oxford English Dictionary, Oxford UP, , Copy to clipboard Copied to to make greater demands or take greater risks in a dispute or contest, and so increase the amount that you will eventually lose or win

cost; price:tried to raise the ante v ante up, Games to put into the pot: In gambling, ante-post bets are placed before the day of a particular race or ante-post favourite for the Epsom Classic, Celtic Swing

To take an action that raises the stakes, that increases the chances of conflict ( In the idiom to up the ante, up acts as a verb meaning to increase In poker, if a player ups the ante, it means the price to partake in the game has just