Use this tag for all questions relating to the usage, acquisition, etc of tarp tents
A tarp tent is a lightweight camping setup. The fully enclosed nature of an actual tent is sacrificed for lightness and a greater exposure to the outside worlds. Think of a tarp tent as the out of a tent only with a few poles. There are many, many ways to erect a tarp.
This answer provides a very good overview of the many ways that a tarp tent can be erected: