The knowledge layer. Every concept the product uses, explained from first principles with the same engine-grounded honesty — no fortune-telling, no fear copy, sources for every claim.
The birth chart explained without mysticism — what the lagna is, why there are exactly twelve bhāvas, and how to read the North-Indian frame at a glance. Includes side-by-side South and East styles for travellers between traditions.
Ayanāṁśa explained without polemics. What Lahiri means, why your "western sign" shifts by about 24°, which one Jyotiṣa uses and why.
Sun the king, Moon the queen, Saturn the servant who becomes the judge — the classical personification that makes dignity intuitive.
Each nakṣatra with its deity, symbol and śakti — and why the Moon's mansion matters more than the Sun sign in Jyotiṣa.
How the daśā tree is computed from the Moon's nakṣatra, what mahā / antar / pratyantar mean, and how to read a period change.
Maṅgala doṣa has twelve classical cancellations. Kemadruma has five. The honest arithmetic most apps don't show you — with sources.
Pañcāṅga, tārābala, lagna śuddhi and five more — what actually gets checked when tradition approves a date.
Why two traditions sometimes observe one day apart, what viddha means, where the pāraṇa window opens, and why Hari Vāsara is excluded.
What Aṣṭakūṭa measures, what it doesn't, where Nāḍī vetoes apply — and why a 26 with compensation beats a hollow 30.
Tithi, nakṣatra, yoga, karaṇa, vāra — the five limbs of the day, and how to use choghaḍiyā without superstition.
Mūla-trikoṇa, own sign, friend, enemy, neutral — and the orb of combustion that re-grades everything.
Ruchaka, Bhadra, Haṁsa, Mālavya, Śaśa — the five royal yogas, what they actually require, and how often they truly fire.
Why D9 is for marriage and D10 for career — and what the other 14 divisional charts actually answer.
The Śāstra Encyclopedia holds every rule the engine fires — searchable, with Sanskrit and source citation.