RMD due by Dec 31, 2024

Sorry if this is a dumb question, but the wording is not clear to me.

 

"RMD due by Dec 31, 2024"

 

Does this mean the RMD for that month, or the total RMD received for the entire year?  I'm guessing for the entire year but I don't know for sure.

 

Thanks in advance!

Bonnie