Reports usually use diagrams and pictures to help back up the information they give.
Pictures always use a caption, (a short sentence that explains what is happening in the picture) to back up facts.
Diagrams such as bar charts give us a lot of information in an easy to understand. For example;
The numbers of tigers left in the wild are getting dangerously low. In 2010 there were only 5000 tigers left living wild in the entire world, compared to over 100,000 in 1900.
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