Link component displays links you can tap to open.
Once you've bound your link column to the component, you can change how your links are displayed.
You can choose to display the link title in four ways:
Page title: which pulls the title from the actual page the link is from
Short URL: which will usually be simply the domain the link is pointing to ( e.g. https://medium.com)
Full URL: which will be the full link URL ( e.g. https://medium.com/glideapps/sheets-tip-1-calculate-entire-columns-with-arrayformula-f8780f4a5508)
Caption as title: which will allow you to make your own label for the link using the label field
Above the link itself is a small label. You can change this to be anything you like: