Varahamihira is the author of the Jatakaparijata, an influential work on astrology and astronomy written in the 6th century CE.

The Jatakaparijata primarily focuses on natal astrology, which is the study of the positions of celestial bodies at the time of a person's birth and their influence on their life.

Ashtakavarga is a technique used in the Jatakaparijata for analyzing a horoscope by assigning numerical values to different planets and signs and then combining them to assess the overall strength of a horoscope.

The term 'Jataka' in the title of the Jatakaparijata refers to the study of horoscopes, which is the primary focus of the text.

Rahu and Ketu, the lunar nodes, are discussed in the Jatakaparijata and are considered to have a significant influence on a person's life.

The 'Chara Dasha' system in the Jatakaparijata is used to predict the timing of events in a person's life based on the movement of planets.

Raja yoga, dhana yoga, and vipareeta raja yoga are all types of planetary combinations discussed in the Jatakaparijata and are believed to confer different benefits on a person.

The 'Arudha Lagna' in the Jatakaparijata represents the physical body of a person and is used to assess their health and vitality.

Vimshottari dasha is a technique used in the Jatakaparijata for analyzing the effects of planets on a person's life by dividing their life into different periods based on the movement of the Moon.

The 'Pancha Mahapurusha Yoga' system in the Jatakaparijata is used to identify individuals with exceptional qualities and potential based on the placement of planets in their horoscope.

Rasi, nakshatra, and bhavas are all concepts discussed in the Jatakaparijata related to the division of the zodiac and are used for astrological analysis.

The 'Hora Lagna' in the Jatakaparijata represents the ascendant of the Moon and is used for analyzing the emotional and mental state of a person.

Conjunction, opposition, and square are all types of planetary aspects discussed in the Jatakaparijata and are used to assess the interactions between planets in a horoscope.

The 'Dasha' system in the Jatakaparijata is used to predict the timing of events in a person's life based on the movement of planets.

Digbala, kshetrabala, and kala bala are all concepts discussed in the Jatakaparijata related to the strength of planets and are used to assess their influence in a horoscope.