In this \033[01;32m VT100 style ANSI Escape Sequences what is the 01; and the m?

This came from ~/.bashrc PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ' Notice the \03301;32m I know \033[ is a Control Sequence Introducer. I know 32 is the color code for green. But, what are the 01; and m? Which part of [ANSI escape code does \033[01;32m belongs to.