Does anyone know what deferring actually means? Why not just choose to kick? Or is it like saying "we don't care"?
According to wikipedia:
Three minutes before the start of the game, the referee meets with captains from both teams for a coin toss. The visiting team calls the toss. The winner of the toss may defer their choice to the start of the second half, or they may take first choice of:
Receiving the kickoff to start the game, or kicking off to start the game
Choosing an end of the field to defend in the first quarter (with the teams switching directions at the end of the first quarter and at the end of the third quarter)
The loser of the toss gets the remaining option.
At the start of the second half, the team that did not choose first (either because they deferred their choice or because they lost the toss) gets the first choice of options.
According to USA Today, in college games, the team that wins the toss defers their choice to the start of the second half over 90% of the time