Serious intent in jest uses an amusing surface to carry a serious point. Ironical mockery (tahakkum) can employ apparently favorable words to intend the reverse. Direct blame names the fault openly.
ModeHow the intention is conveyedJest intended as earnestnessSerious point underneath joking speechTahakkumA contrary meaning under apparent praise or favorDirect blameExplicit assertion of a defect
These modes may overlap in practice, so contextual evidence and intended effect remain decisive.