British slang and its classification

To study the problem of the classification of slang.The origin of slang.Types of slang.D) Slang of army, police.They use other words- they use slang.This fact proves that slang comes to be a very numerous part of English.Ignorance of slang causes a great miscommunication between students and native speakers.Slang fills a necessary niche in all languages.Slang cannot be defined independent of its functions and use.Despite the difficulties of defining the term, slang does have some consistent characteristics.