What are Size Chart display types?
There are three display options of Size Chart for you to select:

Size Chart Inline Link

Select the display type as Inline Link, show more Smart Selector field that allows you to choose size chart postion on page.

To select the display position for size chart on Product pages, Home pages, Collection & Search pages, you need to click on the mouse icon corresponding to the pages in the Action column and select the location.
Size Chart Float Button

Position: Select the position you want to display the Float button, there are 6 positions: Bottom Right, Bottom Left, Top Right, Top Left, Middle Right, Middle Left.

Show on mobile: check box to let Float button show on mobile
- Top: float button displayed above mobile page 
- Bottom: float button is displayed at the bottom of the mobile page 
Size chart Button
Text: Enter a title for the Float button / Inline Link
Icon: Choose an existing icon or add it
Text color: Choose the color for the title of the Float button / Inline Link
