Describe what social networks are

Using a minimum of 300 words, answer the following:
Although virtually everyone participates in social networks, we sometimes do not think of them in these terms. Discuss social networks, making sure to cover the following:
a. Describe what social networks are.
b. Provide four examples of social networks, which are not in your text.
c. Interpret social networks from the perspective of functional analysis and from the perspective of conflict theory.
d. In your view, which of these perspectives is most useful in interpreting social networks?