What is the meaning of Tract?

An area or expanse.

A series of connected body organs, such as the digestive tract.

A small booklet such as a pamphlet, often for promotional or informational uses.

A brief treatise or discourse on a subject.

A commentator's view or perspective on a subject.

Continued or protracted duration, length, extent

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.

Continuity or extension of anything.

Traits; features; lineaments.

The footprint of a wild animal.

Track; trace.

Treatment; exposition.

To pursue, follow; to track.

To draw out; to protract.

flyer, circular, pamphlet

Source: wiktionary.org