Why is it important to look at the entire birth chart when analyzing Rahu in Sagittarius, and what factors should be considered?

In astrology, while looking at predictions (phaladesh), a deep study has to be done regarding any subject. While looking at the accurate predictions of Rahu in Sagittarius (Dhanu), things such as which house that Rahu is in, in which nakshatra, at how many degrees; Rahu in the horoscope is with which planet, by which planet's aspect (drishti); the position of Rahu in the Navamsha chart; for what work the prediction is being sought; which planet's Mahadasha and Antardasha are running; and the transits occurring through Gochar — all these things have to be looked at. Therefore, predictions can be told only after studying the entire horoscope.

Generally, Rahu is considered the significator of innovative/new thoughts, foreign languages, higher education, extreme ambition, earning quick money, poison, occult (aghori) knowledge, bad company, liquor business, pickpocketing, cruelty, etc.

A strong Rahu in the horoscope will give a person research, mantra-tantra, mastery over multiple languages, leadership capacity, and artistic skills; whereas a Rahu spoiled by the aspect of Saturn-Mars will prompt the person to earn money through wrong/immoral paths, and things like physical assault, doing liquor business, as well as adopting other wrong tracks in life will be seen.