To open a wysiwyg editor double-click on any element in the builder that contains text.
Once editor is open you can edit/delete and write new text in there as in any other text editor.
To change text font family, size or styling, simply select the text you want to apply these styles to with your mouse and then click the relevant style icon in the wysiwyg bar.
To wrap text in a link, select text you want to wrap with a link, click the link icon, then enter the url you want and click Done.
To insert an icon, select the text where you want to insert the icon, click the smiley face icon in the wysiwyg bar, find the icon you want and click on it.
