<span>Formal and informal language serve different purposes. The tone, the choice of words and the way the words are put together vary between the two styles. Formal language is less personal than informal language. It is used when writing for professional or academic purposes like university assignments.</span>
A written job description<span> may state that an employee performs a certain </span>essential function<span>. ... However, if an employer wishes to use a </span>job description<span> as evidence of</span>essential functions<span>, it should in some way </span>identify<span> those </span>functions<span> that the employer believes to be </span>important<span> in accomplishing the purpose of the </span>job<span>.</span>
What do you mean, I don't understand what you are saying
