Two of all elements are mainly responsible for text content, they are: Heading and Text.
You can insert links into the text by select the text part you want to associate the link, popup shows up.
Click the link icon to insert link, the Link Picker will display.
You can choose or type an URL, and click Choose to insert the link.
You can hover on the inserted link to preview its URL.
You can click on the URL to open Link Picker again or click cross icon to unlink.