1 – ... A noble one's disciple

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vossagg-ārammaṇaṃ karitvā	{having made} release-(as the)-object
labhati samādhiṃ,	(he) obtains undistractible-lucidity,
labhati cittassa ek’-aggataṃ —	(he) obtains (the) mind’s singular-preoccupation -

1.1 – See SN ^48.9

for basic definitions of 5ind.

j🌕: 4 jhānas ⊜ equivalent factors

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4 – 4j🌕 = j1🌘 + j2🌗 + j3🌖 + j4🌕 = 5bal👊️ → 4🌄 = 5ind🖐️ → 4🌄 = 7sb☀️ → 6🌄 = 👑8☸ → 8🌄 = samādhi in 3 ways

STED 4j🌕 = 4 jhānas 🌕
j1🌘 = paṭhamaṃ jhānaṃ = First Jhāna
j2🌗 = dutiyaṃ jhānaṃ = Second Jhāna
j3🌖 = tatiyaṃ jhānaṃ = Third Jhāna
j4🌕 = catutthaṃ jhānaṃ = Fourth Jhāna
5bal👊️ → 4🌄 = samādhi-bala
5ind🖐️ → 4🌄 = samādhi-indriyam
7sb☀️ → 6🌄 = samādhi-sam-bojjh-aṅga, undistractible-lucidity-awakening-factor
👑8☸ → 8🌄 = sammā-samādhi, right undistractible-lucidity
samādhi in 3 ways = samādhi in 3 ways
3rd jhāna + ASND 🌕🌟‍ = j4🌕 āneñja⚡ imperturbable 4th jhāna = 4ip 🌕⚡ → 6ab ⚡☸

j🌕: 4 jhānas central repository

Most of the information on 4 jhānas will be collected in 👑8☸ → 8🌄 = sammā-samādhi, right undistractible-lucidity. The equivalent 4j factor pages will focus on how they differ from sammā-samādhi