Basically this.
All the [markers] and confirmations and everything exist to show us authenticity and the POTUS personal involvement.
They also served to be sure we were understanding that we need to compare the MAP continually to news headlines and POTUS tweets, looking for the information to prove true.
Occasionally, they serve as a way for the POTUS to send us a coded little personal message of some sort, hidden enough to have plausible deniability.
There might be a few more puzzles we didn't solve or methods we didn't discover, but generally when Q says "you have more than you know" they are really saying "FUTURE PROVES PAST will eventually apply to more of the MAP then we currently think. In other words, as weeks and months go by, we will see the public narrative confirm some of the deepest and darkest rabbit holes that the MAP has taken us down.