The choice of exact and expressive words and terms is a major difficulty. Similarly, entire phrases may be non-specific. Extensive use of adjectives is unwise. The use of unnecessary technical language also creates a problem. In general, the job description should be written so that it can be understood by a college educated person who is not a specialist in the job's field.
Many writers habitually use long and imposing words.
The vast majority of long words can be replaced by shorter ones that make for greater clarity. Closely associated with the problem of using long, imposing words, is creating a false impression of the job by the use of grandiose terminology.