A uniform resource identifier is a unique set of characters which represents an abstract or physical resource.
Form
A URI must take the form:
URI = scheme ":" ["//" authority] path ["?" query] ["#" fragment]
Example
https://google.com/maps?location=Dublin#Information
This URI can be broken into the following parts
scheme
→https
authority
→google.com
path
→maps
query
→location=Dublin
fragment
→Information