We have four different graphs.
The trend graph shows answers (also aggregated answers) over a longer period of time. It can be different years or weeks, but by default months over a longer period. The trend graph that shows your Health Index (which is the total of all answers) usually has a trend line that does not fluctuate significantly because the answers and questions are many. If you look at the trend graph under an individual question (as the one above), the trend line is usually more markedly varied.
Pie charts summarise an average value of all questions related to a specific key figure. The diagram shows both a number and a colour to give you a stronger indication of whether the result is positive or negative.
The bar graph is under each question and is based on the standard scale, which is mainly 1-6. The first bar from the left shows the number who have answered 1, ie the lowest / most negative answer. At the same time, bar six from the left shows the number who have answered a 6, ie the highest / most positive answer. The bars have different colors that give an indication of how positive or negative the answer is.
The distribution diagram can be found under strengths and challenges, when you click on a question index you will see the distribution diagram under the trend graph. The diagram shows the spread of answers at one specific occasion. When you move the yellow dot in the trend graph you will get a new distribution diagram connected to the given send date.