'code words'(maybe also 'coded words'), 'codified language'
When we talk about the political and economic structure of that period, we come to know that the government had seized the property of these revolutionary Sikhs who were now content with a coarse cloth only. But the deserved a pat; their ascending spirits was never defeated and they never brought themselves in the descending mental set up. History of that period is witness to these facts and the language used by the Sikhs of that period clearly shows that they had created many code words for different type[s] of messages so that the enemy could not know about their dialogue and side by side no revolutionary should be the victime of any sort of depression. In this codified language at places some bitterness is also there but that can be understood as reaction to the cruelties being perpetrated by the rulers.
.... CHAPTER 4, Impact of Sikh Theology: 18th Century
Cultural Marxism─the "Political Correctness", redefinition, re-education & indoctrination of you and your nation
( ... ) In the early 1990’s, when our media adopted the new language rules called “political correctness,” rule violators risked their jobs and suffered the media’s wrath. A synthesis of the Marxist equality ideas and political correctness have become known as “Cultural Marxism”. Patrick Buchanan explained the ideology behind these rules, “Political Correctness is Cultural Marxism, a regime to punish dissent and to stigmatize social heresy as the Inquisition punished religious heresy. Its trademark is intolerance.” Cultural Marxism is a relative trend of our times as opposed to a universal truth, yet it is banded about as if it is a universal truth and critics are deposed as one would be if one broke a sacred code.
( ... ) "Anti-Fascism", "Equality", "Diversity" and "Multiculturalism" have thereore become code words for Anti-Conservative, and the person who holds the Conservative position is considered a fascist.
( ... ) Political Correctness is an immense hurdle in British Politics. Politicians often cannot discuss issues upfront and have to use a codified language, and progress is often hindered by “political point scoring” which is often done on the basis not of the facts of the matter being discussed, but because someone may have contradicted a “truth” defined by political correctness. This creates a stalemate in this country for many issues that need urgent attention. ( ... )