Permissions are rules that indicate what users or system can access files on your server. If you set the wrong permissions any malicious user can modify your files so it is necessary that you understand what permissions are and how to set and manage them.
Permissions are usually of the form User|Server|World
Alexa rank is quite useless as a measure of the traffic a site gets. This is because only the browsers that have the Alexa toolbar installed are counted as traffic for this estimation. Needless to say, most web surfers do not have this toolbar installed. They have never even heard about it in fact. So how accurate will the data be? Not very accurate at all.
We are posting in English and it is important to post in simple words so that your meaning is readily understandable by anyone with a knowledge of the language.
Using bombastic language might make you seem smart, but the people who really know you will immediately realise that you are just showing off. The probability of errors also increases when you attempt to use complicated language.
