When you work with large projects, it's important that you remain consistent throughout the codebase and follow the best practices. To garantee that your code have a good quality, you need to analyse differents levels of the applications code.
This is the most abstract level of code standardization. It's related to the implementations independent of the programming language. It will help the readability of your code.
One of the most important points of the Clean Code is how you name your functions, variables, components, etc. Use this amazing guide to understand how to write better variable names.