das Wort haben — to have the floor. Duden: to be the one whose turn it is to speak in a meeting.
sich zu Wort melden — to signal in a meeting that one wants to say something.
jemandem das Wort erteilen — to give someone the floor, said of the person who chairs.
jemandem das Wort entziehen — to take the floor away from someone.
jemandem ins Wort fallen — to interrupt someone, literally to fall into their word.
Lassen Sie mich ausreden! — Let me finish!
eins nach dem anderen — one thing after the other.
TOP — short for Tagesordnungspunkt, agenda item, as in TOP 3.