What Is Meant by 'Indigenous People

What is meant by 'Indigenous people'?

A) Cultural groups that have a historical continuity with a region before its colonisation and who have lived largely independent or isolated from the influence of the larger nation-state; these people have maintained or at least partly maintained their distinct linguistic cultural social organisational characteristics
B) Political groups that have a historical continuity with a region before its colonisation and who have lived largely independent or isolated from the influence of the larger nation-state; these people have maintained or at least partly maintained their distinct linguistic cultural social organisational characteristics
C) Ecological groups that have a historical continuity with a region before its colonisation and who have lived largely independent or isolated from the influence of the larger nation-state; these people have maintained or at least partly maintained their distinct linguistic cultural social organisational characteristics
D) All groups that have a historical continuity with a region before its colonisation and who have lived largely dependent on more modern peoples recently inhabiting the area