Subliminal messages are defined as signals below the absolute threshold level (ATL) of our conscious awareness.
Subliminal stimuli cannot be perceived with us being aware, even if we look for them. In contrast, supraliminal stimuli can be perceived by the conscious mind, although we often fail to notice them.
German Wine and French Wine Experiment
SUPRALIMINAL PRIMING IN ACTION:
German and French wine of the same price and sweetness are displayed in a British supermarket
Store played German and French music on alternate days