The descriptions go from left to right and top to bottom of the blocks. Just a quick note before we go through the components. For those of us who use Photoshop a lot and are accustomed to turning on Caps Lock to change the tool to crosshairs for greater precision, don't bother. It doesn't work here. Just select, click on the composition window and drag to desired size.
Color scheme is selected from the color scheme palette.
There are some to set globally, but not nearly as complex as other programs. This dialog box is the same one that displays when a new file is started. Use it to set the size, animation speed and export options. Not surprising, given the range of functions you can perform and types of objects you can create. The palettes open in groups that correspond to the subgroups on the Windows dropdown menu.