You may find some of the discussions over at http://lambda-the-ultimate.org/search/node/DSL http://lambda-the-ultimate.org/search/node/DSL interesting. http://

You may find some of the discussions over at http://lambda-the-ultimate.org/search/node/DSL http://lambda-the-ultimate.org/search/node/DSL interesting. http://homepages.cwi.nl/~arie/papers/dslbib http://homepages.cwi.nl/~arie/papers/dslbib offers the following definition: A domain-specific language (DSL) is a programming language or executable specification language that offers, through appropriate notations and abstractions, expressive power focused on, and usually restricted to, a particular problem domain. which is pretty much what pg said.