"Affirmed" likely means that the court affirmed (agreed with) the decision of the lower court. You should be able to get a copy of the decision from the court file to see how the decision was explained. Appellate decisions are usually rather comprehensive in their explanations.
"Awaiting remittal" likely means that the file is waiting to be returned to the clerk of the court now that the appeal was decided.
"Record remitted" likely means that the file was returned to the clerk of the court now that the appeal was decided.