True or False for Netowrk Science follinging $1$~$4?$ and why?

$1.$ Network scinece is a new branch of graph theory that focuses on mathematical properties of non$-$trivial graphs.

$2.$ Network science studies complex systems using tools from graph theory and other disciplines.

$3.$ Network sicence is a top$-$down way to understand complex systems based on their architecture.

$4.$ Netowrk science focuses on data and measurements that describe the system architecture as a network $($or graph$).$