Portuguese creole is a language that was created when Portuguese people went to different countries a long time ago and met people who spoke different languages. The Portuguese people started talking to the locals using some Portuguese words mixed with words from the local language. This way, a new language was created.
It's like when you and your friend want to create a secret language, so you mix some of your own words with words you both know already. The new language might sound funny to other people, but it's special because only you and your friend can understand it.
Portuguese creole is like that, but on a bigger scale. It's spoken in many countries like Cape Verde, Guinea-Bissau, São Tomé, and Mozambique. Even though it's based on the Portuguese language, it has many differences in grammar and vocabulary.
So, think of Portuguese creole as a mix of Portuguese with the languages of the countries where it's spoken. It's a special language that brings people together and helps them communicate.