Oh. A "ping" is an ICMP packet sent to see if a device at the destination IP address answers with a return packet, called - I'm not making this up - a "pong."
:-)
Thanks for clearing that up.
So, let’s say I’m reading a thread about such-and-such, and I want you to comment on it, but you haven’t yet. I post a reply on that thread, but I address my reply to you instead of someone who’s already on the thread?