It gives a rough indication of what a body of text is about.

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But Donald MacRae said he had found the teenager to be "down" and that Liam had been sleeping rough in the derelict building where his body was later discovered.

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The IS C suffers from body flex, which is most noticeable on rough surfaces.

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But the plant got off to a rough start, mostly because of unrelated supplier problems in the body shop.

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Doctors still use a rough calculation to work out the chances of survival - if the percentage of the body burned added to the age of patient exceeds 100, then things are looking bad.

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