# Key Concepts

## Create a channel
[using the test network](https://hyperledger-fabric.readthedocs.io/en/latest/create_channel/create_channel_test_net.html)

## Create peer or ordering nodes
[Add a Peer to an Organization in Test Network](https://kctheservant.medium.com/add-a-peer-to-an-organization-in-test-network-hyperledger-fabric-v2-2-4a08cb901c98)

## Join peers or ordering nodes to the channel

## Add an organization to an existing channel
[link](https://hyperledger-fabric.readthedocs.io/en/latest/channel_update_tutorial.html)