Example 1: if you want to add the Order Page to your quick link

The URL Looks like

https://www.yourdomain.com/admin/index.php?route=sale/order&token=qwertyuiopasdfghj

Here in this URL

Route is sale/order

And URL has not other parameters apart from token, so parameters field is left empty. Refer Screenshot below

Example 2:

https://www.yourdomain.com/admin/index.php?route=extension/hbapps/email_templates&token=qwertyuiopasdfghj&store_id=0

Here in this URL

Route is extension/hbapps/email_templates

And URL has 1 more parameters apart from token, so parameters field is &store_id=0. Refer Screenshot below