Foundation Site Style Questions

What is affected by these 2 areas shown in my screenshots? Can someone help explain?
Header Small and the Color 2 area.

@tav @joeworkman @zeebe

The second color for swatches is the text color for things like buttons.

The header small size is the size of a small segment on a header (h1-h6


ok, thanks, Doug.

I had no idea what segments were. Had to look up the Header Pro demo file. There are truly so many amazing things you can do with and

thank you to @tav and @joeworkman for these stacks.