Chapter 50 mentions a specific verse from the Bhagavad Gita. Can you break down the explanation of that verse and the 'Avagraha' concept?

In Chapter 50, the text references the thirty-fourth verse of the fourth chapter of the Bhagavad Gita. The author points out a subtle interpretation where an 'Avagraha' (a symbol in Devanagari script) appearing before the word 'Jnana' (knowledge) can be seen as an indicator of 'Ajnana' (ignorance). This is presented as a discourse oriented toward ignorance. The passage suggests that understanding this subtlety is important, as it explains that without bringing the Avagraha to mind, the word 'Jnana' (knowledge) comes without doubt. This complex analysis highlights a deeper layer of scriptural interpretation discussed within the chapter.