authorization - the power or right to give orders or make decisions; he has the authority to issue warrants; deputies are given authorization to make arrests; a place of potency in the state. authority, potency, authorisation, say-so, dominance.
A savanna is a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome. Not enough rain falls on a savanna to support forests.
The savanna biome is an area that has a very dry season and then a very wet season. They are situated between a grassland and a forest. They can also overlap with other biomes. There are savanna's located in Africa, South America, India, and Australia.