You can set site identities like Logo, Site Title, and Tagline, Site Icon with this setting. You can find the setting under Appearance > Customize > Layout > Header > Site Identity.
You can select a logo image from Media Library from logo option.
Astra allows you to add retina logo to the header from Retina Logo option. This 2x sized logo is necessary on high definition screens so the logo won’t look blurred.
You can easily adjust the logo width with a slider. Astra physically crops the logo in an appropriate aspect ratio which helps reducing page load.
You can set site title with this option and can display/hide it.
The tagline in one line description for the site. You can set it with tagline option and can manage it to show in the header.
You can get logo and site title and tagline arranged in a line with this option. It allows you easily set attractive site identity. This option will be visible when site title or/and the tagline is enabled.
It’s a small image icon that can be seen in the tab of a web browser and bookmark bars. You can set it with site icon option.