Actually, if you want to quote you can make it short to be able to quote without spamming. Instead of quoting the whole you can make it <....> or that's what I read from higher ranks advice about quoting post.
1. If you have a brief discussion you can do 2 ways with replays or with a quote
Replay is to "play back a recording on tape, video, or film and repeat something, especially an event or sequence of events. This is what I found about replay.