तत्त्वानां परिसङ्ख्यानं लक्षणं हेतुलक्षणम् ।
पुरुषाराधनविधिर् योगस्याध्यात्मिकस्य च ॥ १९ ॥
tattvanam-of the elements that constitute the creation; parisaṅkhyanam-of the number of such elements; laksanam-symptoms; hetu-laksanam-the symptoms of the causes; purusa-complete; aradhana-devotional service; vidhih-rules and regulations; yogasya-cultivation of the yoga system; adhyatmikasya-spiritual methods leading to devotional service; ca-also.
Kindly explain all about the elementary principles of creation, the number of such elementary principles, their causes, and their development, and also the process of devotional service and the method of mystic powers.