Bitcoin can have some meanings for people depending on themselves and their usages. For many people bitcoin is an investment asset just like gold they will hold it in long term to get profit out of it for many other bitcoin can be a key to freedom because they can do any transaction and none can track them ever. In my own idea, using bitcoin you can be free and rich both in same. Some other people believe, sooner or later bitcoin will take fiat's place. Generally, this can have several usage depending on yourself.