Lalita sahasranama is a sacred Hindu text for the worshippers of the Goddess Lalita Devi, i.e. the Divine Mother, in the form of her and the male gods' feminine power, Shakti. Lalita is the Goddess of bliss, an epithet for Parvati. Etymologically, "Lalita" means "She Who Plays". It is supposedly one of the most complete stotras, one need only recite it to gain total salvation.
(http://en.wikipedia.org/wiki/Lalita_sahasranama)



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Note added at 1 hr (2010-08-11 18:02:28 GMT)
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Sanskrit "Devi Prayer" from "108 Sacred Names of Mother Divine" by Craig Pruess and Ananda:

Ma Amba Lalitha Devi

Parashakti Sundari

Namastasyai Namastasyai Namastasyai Namo Namah

Ma Amba Lalitha Devi

Mahamaye Mangale

Namastasyai Namastasyai Namastasyai Namo Namah

Ma Amba Lalitha Devi

Mahakali Bhairavi

Namastasyai Namastasyai Namastasyai Namo Namah

Ma Amba Lalitha Devi

Mahalakshmi Vaishnavi

Namastasyai Namastasyai Namastasyai Namo Namah

..........

(http://lightomega.org/Media/Text/Devi-Prayer.html)

as per prayer the phrase is a call to godess amba lalita,who is actually known by several names,as per her various avtars.
The GODESS PARVATI wife of GOD SHANKAR,when gone in to the flames of yagya called by har father, this made GOD SHANKAR very angry,and he travelled the whole BHARATAVARSHA carrying her burnt body,the parts of her body were scattered on earth,with each part a shakti peeth was born,one of these shakti peeth situated at meerapur,Allahabad(U.P.) is known as MAA LALITA DEVI'S SHAKTI PEETH.the prayer above qoted is her prayer.

Taken from Foreward to an English translation of the Lalita Sahasranaam (thousand names of divine mother Lalita).

Lalita Sahasranama is a text from Brahmanda Purana. It is a sacred text to the Hindu worshippers of the Goddess Lalita Devi, iin the form, Shakti. Lalita is the Goddess of bliss, an epithet for Shiva's wife Goddess Parvati. Etymologically, "Lalita" means "She Who Plays". In the root form (vyutpatti), the word "Lalita" means "spontaneous" from which the meaning "easy" is derived and implicitly extends to "play".