Key word signing Key word signing Key word signing is a technique of simultaneous communication whereby the communication partner of the user will use both natural speech and also produce signs for the words that carry the most important information. Key word signing puts emphasis on the pertinent words in a sentence or a phrase, rather than signing every word like you would for American Sign Language (ASL). For example, if someone said, "Go wash your hands" the key words that would be signed would be "wash" and "hand". Key word signing is a form of augmentative and alternative communication (AAC) that uses
Word square place names). However, 11-squares are possible if words from a number of languages are allowed ("Word Ways", August 2004 and May 2005). It is possible to estimate the degree of difficulty of constructing word squares. 5-squares can be constructed with as little as a 250-word vocabulary. Roughly, for each step upwards, one needs four times the number of words. For a 9-square, one needs over 60,000 9-letter words, which is practically all of those in single very large dictionaries. For large squares, the vocabulary prevents selecting more "desirable" words (i.e. words that are unhyphenated, in common use, without contrived inflections,