Gives you the ability to change typography through out the template with just a few clicks
Color Variables makes it easy to change colors across all artboards with one click. In Sketch V.69 and above, you can create Color Variables right from the Color Popover. Go to the Color Variables menu to quickly access and apply existing Color Variables. You can edit them either from the Color Popover or from the new Components View.
Apply a color to shapes by selecting a shape and from the right side menu Appearance --> This Document --> Select a color