Under a build-operate-transfer (BOT) contract, an entity—usually a government—grants a concession to a private company to finance, build, and operate a project for a period of 20 to 30 years, hoping to earn a profit. After that period, the project is returned to the public entity that originally granted the concession.

A microproject is a short-term fundraising effort to help achieve a specific activity or support a specific individual. Microprojects are a great fundraising tool that helps you capture the attention of donors with a specific, actionable goal and an urgent giving deadline.

A megaproject is a complex, large-scale operation that usually takes many years to complete. These projects typically cost around $1 billion and involve both public and private stakeholders. A megaproject also impacts millions of people and often economically or geographically transforms an area.