Translation:

Height, breadth, strength, difficult access: Science declares a fort must these possess.

Commentary (உரை):

The learned say that a fortress is an enclosure having these four (qualities) viz., height, breadth, strength and inaccessibility.

Parsing Venba (வெண்பா பகுப்பாய்வு):

அடி

2. Seer(eerasai=None, moovasai=Moovasai(asai_one=Nirai(ezhutthu_list=[Ezhutthu(letter='உ', oasai=), Ezhutthu(letter='ய', oasai=), Ezhutthu(letter='ர்', oasai=)]), asai_two=Nirai(ezhutthu_list=[Ezhutthu(letter='வ', oasai=), Ezhutthu(letter='க', oasai=)]), asai_three=Ner(ezhutthu_list=[Ezhutthu(letter='ல', oasai=), Ezhutthu(letter='ம்', oasai=)]), type=))
3. Seer(eerasai=Eerasai(asai_one=Ner(ezhutthu_list=[Ezhutthu(letter='தி', oasai=), Ezhutthu(letter='ண்', oasai=)]), asai_two=Ner(ezhutthu_list=[Ezhutthu(letter='மை', oasai=)]), type=), moovasai=None)
4. Seer(eerasai=None, moovasai=Moovasai(asai_one=Nirai(ezhutthu_list=[Ezhutthu(letter='அ', oasai=), Ezhutthu(letter='ரு', oasai=)]), asai_two=Ner(ezhutthu_list=[Ezhutthu(letter='மை', oasai=)]), asai_three=Ner(ezhutthu_list=[Ezhutthu(letter='இ', oasai=), Ezhutthu(letter='ந்', oasai=)]), type=))
5. Seer(eerasai=Eerasai(asai_one=Ner(ezhutthu_list=[Ezhutthu(letter='நா', oasai=), Ezhutthu(letter='ன்', oasai=)]), asai_two=Ner(ezhutthu_list=[Ezhutthu(letter='கி', oasai=), Ezhutthu(letter='ன்', oasai=)]), type=), moovasai=None)

ஈற்றடி

2. Seer(eerasai=Eerasai(asai_one=Nirai(ezhutthu_list=[Ezhutthu(letter='அ', oasai=), Ezhutthu(letter='மை', oasai=)]), asai_two=Nirai(ezhutthu_list=[Ezhutthu(letter='வ', oasai=), Ezhutthu(letter='ர', oasai=), Ezhutthu(letter='ண்', oasai=)]), type=), moovasai=None)
3. Seer(eerasai=None, moovasai=Moovasai(asai_one=Ner(ezhutthu_list=[Ezhutthu(letter='எ', oasai=), Ezhutthu(letter='ன்', oasai=)]), asai_two=Nirai(ezhutthu_list=[Ezhutthu(letter='று', oasai=), Ezhutthu(letter='ரை', oasai=), Ezhutthu(letter='க்', oasai=)]), asai_three=Ner(ezhutthu_list=[Ezhutthu(letter='கு', oasai=), Ezhutthu(letter='ம்', oasai=)]), type=))
4. EetruSeer(asai=Ner(ezhutthu_list=[Ezhutthu(letter='நூ', oasai=), Ezhutthu(letter='ல்', oasai=)]))

சீர் பிரித்தது:

அடி

1. உயர்-வக-லம் திண்-மை அரு-மை-இந் நான்-கின்

ஈற்றடி

1. அமை-வரண் என்-றுரைக்-கும் நூல்