Then they can be classified in deaf total blindness, deep deafness with visual, moderate residue or has taken with blindness, moderate with visual residue and light losses, auditory how much in such a way visual. types can be congenital blindness and acquired deafness, blindness and acquired deafness, congenital deafness and acquired blindness, low vision with deafness congenital or acquired and blindness and congenital deafness. The Brazilian Language of Signals possess elements of a formed grammar of the words or lexical item, set of words that the people of one determined language have to its disposal to express themselves, verbally or in writing that if structure from morphological, syntactic and semantic mechanisms. Also if it articulates through iconic signals, that are the gestures of easy understanding and through the arbitrary signals, these more than need a little knowledge the Language of Sinai.As sub-lexical structures also are part of the Language of Signals and is composed in five parameters: Configuration of the hands (CM), joint points (Par), that they are the places to where the configured predominant hand if approaches or happens; Movement (MV), the hands of the beeper represent object, while the space is area where if it carries through the movement; Face and/or corporal expression, component extremely important for any transmission in Lgua de Sinais; Not manual expressions.

The Language of Signals also possess a system of structure and formation of words as in the verbal languages, characterizing how much to the sort, time, degree and negation. The lexical or grammatical morphemes nor always form words equivalents to the Portuguese and are from its minimum units of signification that we will have the morphemes in Pounds. The prompt verbal aspect is distinguished for if bringing to an action or event occurred and finished in some clear-cut point, while the continuation verbal aspect of a continuity and if of the one another word. In Pounds the verbal times do not exist, the words come all in the infinitive, therefore the use of the corporal expression at this moment is very important, the signals also determine intensity and quantification. The method of incorporation of argument is very frequent had to the space characteristics and the words formed for derivation they are formed through the signals and not of the writing, the first words are constituted from its radicals which if bind to the affix or grammatical morphemes. The basic differences in Pound are: Words? signals that use the configuration of the deriving hands of the alphabet or numbers; Simple words? for they, do not have necessity of configuration of the hand to be deriving of the alphabet or of the numbers, but, they will have also to be made with its predominant hand and not to have Point of Joint arm and hand; Composed words? they are two more signal or combinations forming the word; Words of two different configurations? words carried through with two different movements; Words of equal movements; Sensible distinct signal and words; Delicatessens words in the graffiti and with the same signal; Phrases with only one signal.