Complex sentence: The term "Laotian" does not necessarily refer to the Lao language, ethnic Lao people, language or customs, but is a political term that also includes the non-ethnic Lao groups within Laos and identifies them as "Laotian" because of their political citizenship.
Split into simpler sentences: The term "Laotian" does not necessarily refer to the Lao language, ethnic Lao people, language or customs. It is a political term that includes the non-ethnic Lao groups within Laos and identifies them as "Laotian" because of their political citizenship.