Defination of Network

1:  a fabric or structure of cords or wires that cross at regular intervals and are knotted or secured at the crossings

2

:  a system of lines or channels resembling a network

3

a :  an interconnected or interrelated chain, group, or system<a network of hotels>

b :  a system of computers, peripherals, terminals, and databases connected by communications lines

4

a :  a group of radio or television stations linked by wire or radio relay

b :  a radio or television company that produces programs for broadcast over such a network

5

:  a usually informally interconnected group or association of persons (as friends or professional colleagues)