The Plain English Campaign, based in Derbyshire, are urging people to use less jargon, and more simple language to get their point across.
It comes after a survey revealed most people in the region are irritated by the use of jargon, or 'buzz-words', such as 'thinking outside the box' or 'leveraging'.
Steve Jenner, from the campaign team, says the use of language where the meaning is clear should be used more often.
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After a chilly start, it will be a largely dry day with sunny spells.
Another largely dry and fine day, though cloud may tend to thicken from the north, with perhaps some outbreaks of rain in the evening.