In the IELTS Academic test, students are asked to describe a process shown in a diagram or picture. This could be a natural process such as the water cycle or a manufacturing process such as the one below which explains how olive oil is produced.
To be able to answer this type of question, the students must have the necessary language to describe a process in a structured and logical way. It also helps to have some general knowledge or understanding of the process. If you want to improve your ability to answer these questions, you should start reading or watching videos about a wide range of topics. Here are some materials to help you describe the process in the picture above.