Hi, maybe I won't spend hours a day on Wikipedia. As I don't have huge amounts of time to contribute, I won't spend a lot of time adding content. My interest is in improving articles which already exist and guarding against vandalism and tendentious editing.
Sometimes it is useful to look up a topic in the same way you would look it up in a paper book—using an index. Perhaps you are unsure of the precise name of what you are looking for, or maybe you are interested in a word root which has many applications, such as "self-". Or maybe you would just like to browse the index.
Wikipedia has an index of all of its articles. Here are 3 ways of accessing it: