Most of the theme based options are available in Appearance > Customize. In this area, you can set for example colors, Background Image, header Images, Menus, Widgets, Home Page Settings, Additonal CSS and many other useful options.
Site Identity : Site identity is the first option in Customize area. It having options like Logo, Site Title, Tagline and Site Icon.
Colors :
This option consist of changing colors for Header Text Color and Background Color.
Header Image : It consist option for uploading Header Image and you’ll be able to crop your image once you upload it for a perfect fit.
Background Image : This option is available to add background image for your site. After uploading image you’ve options like Preset, Image Position, Image Size in this section.
Menus : In this you’ve option for your menu like Main Menu and it’s Options, Menu Locations, Menu Options.
Widgets : All you theme widgets are placed here. You can Add, Reorder and Edit Widgets from here.
Home Page Settings :
From this you have option for setting Home Page and Blog Page based on your need by selecting A Static Page option.
Additional CSS: From this you have option for adding extra CSS code for your site.
Note: After installing Redux Framework plugin you’ve lot option provided by Redux Plugin in Appearance > Customize.