tract

noun
1
a system of connected organs or tissues along which materials or messages pass
مجرا, دستگاه, دستگاه بدن
2
an area of land, especially a large one
ناحیه, منطقه, قطعه زمین
vast tracts of forest
They bought a 40-acre tract of land for development.
synonym stretch
3
a short piece of writing, especially on a religious, moral or political subject, that is intended to influence people’s ideas
رساله, جزوه, جزوه‌ی تبلیغی, رساله کوتاه
feminist tracts