None.
Transcribing and converting the text of the document into Braille yields a set of words.
For ease of reading, these are:
CURRANT
PLANTAIN
GOOSEBERRY
LOQUAT
SAPODILLA
MANGOSTEEN
All of them are Fruits, so the link is MOD2Fruit. The extraction is a diagonal extraction.
C URRANT
P L ANTAIN
GO O SEBERRY
LOQ U AT
SAPO D ILLA
MANGO S TEEN
The password is “clouds”.