Answer:
examples are:
com or .edu is a top-level domain name (TLD)
cornell.edu is a second-level domain name (SLD)
bigred.cornell.edu is a third-level or three-part domain name
project.bigred.cornell.edu is a fourth-level or four-part domain name
hope this helps you.
Web Note. You can access the feature by selecting "Make a web note" and several options on the toolbar will pop up for use. Microsoft has a help page here: https://support.microsoft.com/en-us/help/17221/windows-10-write-on-the-web