Omnidirectional microphones are microphones that pick up sound with equal gain from all sides or directions of the microphone. This means that whether a user speaks into the microphone from the front, back, left or right side, the microphone will record the signals all with equal gain.
The Zulus are an ethnic Bantu people that can be found living across much of southern Africa. The Zulus are an ethnic Bantu people that can be found living across much of southern Africa. Continents
The same is true for the Zulus of South Africa and the Ndebele of Zimbabwe (same ancestry, same Ngoni language, etc). And no one has a Zulu Nation without first defining Zulu; likewise you cannot have an African anything, without first defining African.