Tillana in Kuchipudi is pure nritta . There are many people who think Kuchipudi is pure gymnastics, it consists entirely of the plate dance.
Other forms include the Varnam, a completely composed piece, designed to show a Raga in all its pristine purity. Pada and Javali are two kinds of love-songs depicting poetic imagery characteristic of the Bhakthi movement. The Tillana is rhythmic and is in very fast tempo.
...the traditional order of the Bharata Natyam recital viz., Alarippu , Jatiswaram , Sabdane , Varnam, Padams, Tillana and the Slokas is the correct sequence in the practice of this art, which an artistic Yoga , for revealing the spiritual through the corporeal.
Then, the Tillana breaks into movement like the final burning of camphor accompanied by a measure of din and bustle. In conclusion, the devotee takes to his heart the God he has so far glorified outside; and the dancer completes the traditional order by dancing to a simple devotional verse.