Any group of people ultimately develops a language subset, that is words we use that have meaning within the community. The Church is no different. We know that people in the IT industry often speak in TLA's (three letter acronyms) and often people in the public sector speak what can only be described as alphabet. We have made some effort on the site to ensure that we say things that can be comprehended by a wide range of people. None the less it made sense to have a place where some of the words from our subset can be set out so that people will know what we are talking about.