You are adding social media icons to your email.
Here are your sidebar options and what they can do:
Select icon collection
Choose the look of your icon(s) from the dropdown menu (scroll down the menu for even more options).
Configure icon collection
Each icon has its own section.
Click the red Delete to remove the icon.
Add the relevant URL.
Toggle on More options to add a title and alternative text.
Add a new icon
Choose a new icon from the list (scroll down to see more options) or add a custom icon.
For example: Let's add WhatsApp.
Here is what I see on my stage. Note the addition of the WhatsApp icon:
In my sidebar, another icon editing section opened:
Align
Choose your preferred alignment.
Icon spacing
Set the amount of space between icons.