What is meant by bus-connection, bus-saturation, bus-controller? be specific

 Bus-connection:

 In computer architecture, bus connection is defined as, system which perform transferring of data between components of a computer or between computers. The main function is that it carries internal data within the motherboard and the external buses transfer data to other peripheral devices.

 Bus-saturation:

 Bus saturation is defined as, saturation find very useful and important place in bus controller at the point of saturation, where there is transferring of data takes place.

 Bus-controller:

    Bus Controller is also known as system management bus controller which is set of chips attached with the motherboard. It monitors the factors of motherboard like voltage and temperature. It is restricted to send a limited error messages or signal when error occurs.