Definitions- speed
bandwidth - is a measure of the amount of time between the arrival of the first bit at any point of a network and the arrival of the last bit at that point
delay - is a measure of time between the departure of the first bit from the source on a network and the arrival of this first bit at the receiver
latency - the time it takes bits to travel the network (device)
throughput - the amount of data transmitted between two points in a given amount of time (e.g. 10 Mbps)
speed - expressed in bits per second (bps), the rate at which data can reliably be transmitted over a line
baud - unit of signal frequency in signals per second. Baud = bps only when a signal represents a single bit