What is a compact and informal high-level description of a computer programming algorithm called?

Pseudocode is the right answer to this question.

Are you familiar with what a pseudocode is? This is a type of programming language that humans will be able to recognize. It can be fascinating to know that even computers and other gadgets have their own language when it comes to programming. At the same time, this can be scary too.

There are some computer codes that may be hard to decipher even by humans who have tried their best to study computer codes. Pseudocode is a compromise between the human language and the computer language. Computers may be artificial and they may be man-made but it cannot be denied that they are also very intelligent.