This is a graphical representation how the widget works. It is broken down into the login part and the widget itself. For a deeper understanding of the symbols and arrows take a look at the legend at the bottom of this page.
This is how the login process is handled and what is happening, as soon as your product page got loaded.
As soon as the widget is loaded and the button is visible, the user is able to open the widget by clicking the
Find my size button.
To get a more detailed understanding you can see the meaning of the different arrows and symbols.