Your website is made up of many individual webpages
All websites comprise of individual webpages. each web page has its own address and contains information that is isolated on that webpage. As you add new webpages to your website, your website grows. The more content your website holds, the more influence it carries with Google and the better rankings you will get. But make sure the content is great quality and unique. Google will penalise you if you try to fool it with lots of repeated words or, worse still, if you copy your content from other websites. Always add unique and valuable content.