Durgā Sūktam is a prayer to Goddess Durga Devi. Adi Shakthi, Durga Parameswari is embodiment of power.
She is the primordial energy, a form of Agni, the fire force. Durga means unassailable, cannot be defeated by anybody, protective, shock absorber, rids of troubles.
The hymns recitation brings good vibrations and peace. Enhances vitality and valor dispelling fears.
Durga Suktam can be found in Durga Saptashati, in Rig Veda suktas of 1st Mandala and in MahaNarayana Upanishad. It is also a SriVidya Upaasana.