Original: The first part, the Mahatmya Khanda or section on the goddess is concerned with the origin, mantra and yantra of the goddess Tripura, also known as Lalita or Lalita Tripurasundari.
Simplified: The first part, the Mahatmya Khanda or section on the goddess is concerned with the origin, mantra and yantra of the Goddess Tripura, also known as Lalita or Lalita Tripurasundari.