Image:A pack of fries and a burger drawn using nutrition facts
Colours:It has different colours which represent the colour of each component of the food
Words:"Do you REALLY know what your EATING?"It is referring to whether we know the truth about our intake,however there is a typo and "your" should be "you're"
Inferential:This poster makes us wonder whether we know the truth behind the food we eat and the possible lies we have been told by food companies
Purpose:It is to make people be more health-conscious so that they can know what is good for them to eat and what is not.
Audience:The main audience are people who are not worried about the food they eat,so this poster makes them more conscious about their health