Triangles.

Workshop-Practice.
Triangles.
--
तैत्तिरीय उपनिषद् / taittirīya upaniṣad
--
शीक्षा वल्ली / śīkṣā vallī
--
द्वितीय अनुवाक / dvitīya anuvāka
-
शीक्षां व्याख्यास्यामः ।
वर्णः स्वरः ।
मात्रा बलम् ।
साम संतानः ।
इत्युक्तः शीक्षाध्यायः ॥
--
तैत्तिरीय उपनिषद् / taittirīya upaniṣad
--
शीक्षा वल्ली / śīkṣā vallī
(Part-1, Section 2)
śīkṣāṃ vyākhyāsyāmaḥ |
varṇaḥ svaraḥ |
mātrā balam |
sāma saṃtānaḥ |
ityuktaḥ śīkṣādhyāyaḥ ||
--
Now is enunciated  :
शीक्षा / śīkṣā
(Education / Teaching)
--
Education comprises of :
Letters Sounds.
Entity Strength.
Essence Harmony / Continuity.
--
मन्त्र तन्त्र यन्त्र / mantra tantra yantra
--
The Occult, The Esoteric, and The mystic,
have a parallel in ब्रह्म-विद्या / brahma-vidyā
(The Spiritual Wisdom)
मन्त्र तन्त्र यन्त्र / mantra tantra yantra
--
mantra is The Occult, कलनं > kalanaṃ
 > अव कलित > ava kalita > Calculation.
tantra is The Esoteric > अव सतो इक् > ava sato ik
> अव सतः इक् >  ava sataḥ ik >
yantra is The Mystic. > मिथित > mithita > द्विचिह्नित > dvicihnita
> द्विचिह्न > dvicihna > designe.

have a parallel in Science.
tantra is Chemistry.
yantra is Physics,
mantra is Mathematics.
--
Existence, Manifestation, Name and Form
have a parallel in
मन्त्र तन्त्र यन्त्र / mantra tantra yantra,
मन्त्र is Existence,
तन्त्र is Manifestation,
यन्त्र is Name and Form.
--