The World Wide Web refers to all the public websites or pages and various resources (e.g. online videos) that users can access on their internet-connected devices.
NOTE: Many people refer to the World Wide Web as the Internet although technically they are different things.
You can access many resources through the World Wide Web but you have to be thoughtful and selective while doing so. As always, if you are not sure about something, get good help.
discerning
adjective
: showing insight and understanding 