1. WWW vs INTERNET
The differenve between this to is that World Wide Web is a way of accessing information over the medium of the internet. It is an information sharing model that is built on top of the internet.
Protocols:
WWW protocol is HTTP on ly one of the lenguages spoken over the internet, that is used to transmit data. Web services which use HTTP to alow aplications to communicate in order to exchange business logic, Use the web to share information.
INTERNET protocol are TCP/IP tghe most used protocols, they consist in enlance to via internet and permit the transference of the data between networks of any computer.

Whe you are connected to internet you usually use the www to enter to a web page so the thing is that when you are connected to the web page maybe in Facebook so HTTP (hyper text transfer protocol) gaves you like the key for get into a web page soo what HTTPS (hyper text transfer protocol secure) help you that another person don't get into you personal information that means that the person who wants to see what your are doing HTTPS help you to don't let that person to do what ever you do into Facebook or other pages, so when you enter to that theres is not going to see that is changed you information.  

Web Browser is is a software application put information into the world wide web, also is designed to enaible users access retrieve and view documents and other resources on the internet.

HTML (hyper text markup lenguage) is the main markup lenguage for the web pages. Html elements are the basic building blocks of the web pages.