"Like is a solution to give positive feedback or to connect with things you care about on or off of Facebook. You can like content your friends post to give them feedback or like a Page that you would like for connecting with on Facebook" What does it mean to "Like" something? "Clicking Like under something you or perhaps a friend posts on Facebook can be an easy way to let someone know that you love it, without leaving a comment."
"When Fb likes kopen click Like on a Facebook Page, within an advertisement, or on content, you are making a connection. A tale about your like will appear on your Wall (timeline) and may also come in your news feed. You may be displayed on the Page you connected to, in advertisements about that Page, or in social plugins next to the content you like... Facebook Pages you prefer may post updates to your news feed or send you messages. Your connection to the page can also be shared with apps on the Facebook Platform."
The official Facebook statement about their button is as rational needlessly to say. The takeaway is that Liking something is really a sort of positive feedback for things you care about. Clicking so on Button shows that you love a post without commenting it. Essential is the point a Like appears not merely by yourself timeline and in the news headlines feed but can be distributed to third-party apps. A Like isn't limited to your own Facebook community and may travel quite a good way. Therefore, you mustn't underestimate the impact of a quick Like.