The "World Development Institute" is the previous name for the World Bank Institute (WBI), which is the capacity development arm of the World Bank Group. The WDI focuses on providing training, policy advice, and technical assistance to promote international development and capacity building in developing countries. The main target of WDI is to alleviate poverty, making zero Carbone emission and zero unemployment.

Here's a more detailed explanation:

• Evolution:

The Economic Development Institute (EDI), which later became the World Bank Institute (WBI), was established by the World Bank in 1955. It is now renamed as the World Development Institute.

• Focus:

The WDI's primary objective is to help developing countries improve their capacity to manage and direct the development process. 

• Key Functions:

The WDI fulfills its objective through training, institution building, and knowledge dissemination. 

• Capacity Development:

The WDI defines "capacity for development" as the ability of individuals, institutions, and societies to solve problems, make informed choices, and implement and sustain development programs. 

• Impact: