The self-centered materialistic ego, thus being transformed into three features, becomes known as the modes of goodness, passion and ignorance in three divisions, namely the powers that evolve matter, knowledge of material creations, and the intelligence that guides such materialistic activities. Nārada, you are quite competent to understand this.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
सोऽहङ्कार इति प्रोक्तो विकुर्वन् समभूत्त्रिधा । वैकारिकस्तैजसश्च तामसश्चेति यद्भिदा । द्रव्यशक्तिः क्रियाशक्तिर्ज्ञानशक्तिरिति प्रभो
so'haṅkāra iti prokto vikurvan samabhūttridhā | vaikārikastaijasaśca tāmasaśceti yadbhidā | dravyaśaktiḥ kriyāśaktirjñānaśaktiriti prabho
SB 2.5.24