People who were/are able to maintain their core culture, a group of people or homogenous societies identified by self-ascription and ascription by others, who have continuously lived as organized community on communally bounded and defined territory, sharing common bonds of language, customs, traditions and other distinctive cultural traits, became historically differentiated from the majority of Filipinos through resistance to political, social and cultural inroads of colonization, non-indigenous religions and cultures, people who are regarded as indigenous on account of their descent from the populations which inhabited the country, people who retained some or all of their own social, economic, cultural and political institutions