What is a 'Parayan' and which texts mentioned in the preface are suitable for it?

The provided text describes a 'Parayan' as a form of devotional study or reading. According to Chapter 0, several biographical works, or Guru Charitras, are noted as being suitable for this practice. The 'Brihat or Thorale Guru Charitra' is explicitly mentioned as being used for Parayans. Additionally, the two short biographies of Sai Baba written by Shri Dasganu Maharaj, found in his 'Bhaktalilamrut' and 'Bhaktisaramrut', are also described as being suitable for study and Parayan, despite their brevity.