These meanings are not separated from each other by sharp boundaries, but blend into one another (as suggested by the idea of family resemblance). The concept is based on the following analogy: The rules of language are analogous to the rules of games; thus saying something in a language is analogous to making a move in a game. The analogy between a language and a game demonstrates that words have meaning depending on the uses made of them in the various and multiform activities of human life. (The concept is not meant to suggest that there is anything trivial about language, or that language is "just a game".)