I learned that when there is a black line without any arrows saying that its working or not, then they are not even connected in the first place

(not working^)

(working^)

not able to reach
WHAT I DID

I was able to connect all the devices to one router, I need to connect them to the “router” called “internet” and i’ll be done with that.
Cisco-Packet-Tracer-Labs-for-CCNA/Day 01 Lab – Packet Tracer Introduction.pkt at main ยท Thuy-Hung/Cisco-Packet-Tracer-Labs-for-CCNA the link i used to get this packet tracer tutorial.