Settings icon is located throughout the Dashboard where you can update the settings for specific functionalities.
If you are unsure at any time, you can always click on the Information icons throughout the Dashboard to learn a bit more about each feature.
Calendar icons are located at top corners of the graphs throughout the Dashboard which gives you the option to specify the data from the dates you wish to view. (Note: This is available for desktop version of the Dashboard only.)
Back and Next icons
The Back and Next icons are located beside the Calendar icon. It will take you back to the previous day's data or the following day's data.
To see more details of the section categories, click on the navigation icon, and it will take you to the page title that is written beside the icon.