IP Address means Internal Protocol Address, one numerical number like 106.0.59.65 is assigned every device that connects to the network that uses Internet Protocol for communication.
Humans can easily understand the IP address, and it managed globally by the IANA (Internet Assigned Number Authority).
The network administrator assigned IP Address to each device in organization which is connected to a particular network. That IP address may be static or dynamic, depends on network practices and organization needs.