Noun
shortcut - A simplified way to complete a task, often by bypassing steps in a process; or a path or way that reduces the usual time or distance required to reach a destination.
He surprised the teacher by figuring out a shortcut method of solving the math problem that saved time compared to the method she had taught before.
bootcamp - A type of physical training that consists of many different types of exercise; or a short course of intensive study designed to provide someone with new skills
Alice signed up for the 3 month computer bootcamp, that promised her a great job after she graduated.