To move power to a single, central authority
To move things physically towards the centre; to consolidate or concentrate
To send or convey something from one person, place or thing to another.
To spread or pass on something such as a disease or a signal.
To communicate news or information.
To convey energy or force through a mechanism or medium.
To impart, convey or hand down something by inheritance or heredity.
To send out a signal (as opposed to receive).