The monthly traffic feature, which is at times also called bandwidth or information transfer, indicates the total volume of data which is uploaded to your web hosting account and downloaded from it each month. The traffic is generated primarily by web site visits - each time somebody comes across your site, the webpages they view are downloaded from the website hosting server to his or her computer or mobile device and they are displayed by the web browser. What counts for the traffic produced is the overall size of these web pages, as a result the more visitors you get for a given period of time, the more website traffic will be generated. Along with the website visits, file uploads are also counted towards the total monthly transfer i.e. whenever you upload site content as well as other files with a file manager or an FTP application, they will also produce some website traffic. The counter resets on the very first day of every month and it is not related to the date you've signed up and the date you've renewed your hosting plan.