tract

(noun): An area or expanse.
(noun): A series of connected body organs, as in the digestive tract.
(noun): A small booklet such as a pamphlet, often for promotional or informational uses.
(noun): A brief treatise or discourse on a subject.
(noun): A commentator's view or perspective on a subject.
(noun): Continued or protracted duration, length, extent
(noun): Part of the proper of the liturgical celebration of the Eucharist for many Christian denominations, used instead of the alleluia during Lenten or pre-Lenten seasons, in a Requiem Mass, and on a few other penitential occasions.
(noun): Continuity or extension of anything.
(noun): Traits; features; lineaments.
(noun): The footprint of a wild animal.
(noun): Track; trace.
(noun): Treatment; exposition.