Meaning
1. We use "too" to mean more than sufficient or more/less than necessary.
[too + adverb] It's too late to stop him.
[too + adjective] Jerry was too young to watch the movie.
[too many + noun] There are too many people on this train, there's nowhere to sit.
[too much + noun] You have too much money, give some to me.
[too much/many + of + pronoun/determiner] You've eaten too many of those cakes.