Non-representational means it doesn't show a realistic image of what it is trying to portray - that can mean it is abstract or cubist or even impressionist.
<span>Representational means that an everyday person looking at the picture will say it looks real.</span>
<span>Abstract, is the extreme, that nothing about the work has to represent anything - it can show just color, just a blob or just lines. you get the picture ;P lol</span><span>Non-objective is representational and may show things which look real but distort real scenes or come out of imagination.</span><span>
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1. desirable 2. expected 3. undesirable 4. unexpected