Power Law
Power law in real life means that when you're facing a distribution of things, a small number of them will be responsible for a large portion of the results. For example, in a company, a small number of people will be responsible for a large portion of the work. In a city, a small number of people will be responsible for a large portion of the crime. In a country, a small number of people will be responsible for a large portion of the wealth.
Power Law in Problem Solving
When you're trying to solve a problem, it's a good approach to start with identifying the most important things and focus on them. For example, if you're trying to solve a problem in a system, you can start with identifying the most important components and focus on them. If you're trying to solve a problem in a codebase, you can start with identifying the most important parts of the codebase and focus on them.
Power Law in Exploring New Domains
You can start exploring new domains from summaries of content that has been created for that domain. Services like Blinkist helps you grasp a general understanding of a domain by listening to summaries of books in that domain.