how do i write a good summary for English

In the assessment i have 3 questions.
On the 1st question
i need to summarize the difference between articles. On the 2nd question i need to analyse language lastly i need to compare viewpoints of perspectives of a 21st/20th century writer an a 19th century writer this question is work 16 MARKS and I’m really confused as this is my first assessment that is like a ‘mock’.😭