Parashakti

Paramshiva is used to describe the ultimate form of Shiva in Shaiva Siddhanta and Kashmiri Shaivism.

Adi Parashakti is used to describe the Divine Mother (Supreme Feminine Energy/Mother of whole creation) in Hindu scriptures.

[3] Parashakti is an all-pervasive, pure consciousness, power, and primal substance of all that exists and it has Mahamaya-form, unlike Parashiva which is formless.

Trika is a Non-Saiddhantic Mantra Margic Saivite sect that praises Parā, Aparā, and Parāparā as three supreme goddesses.

[5] These three aspects symbolize Shiva, Shakti and Atman in the philosophical perspective of Trika.

Parashati idol in a temple.
Trishulabja Yantra used in Trika worship, Parashakti symbolizes central prong of Trident