In QGIS, print maps are designed in the print composer. A QGIS project can contain multiple composers, so it makes sense to pick descriptive names. Composers are saved automatically whenever we save the project. To see a list of all the compositions available in a project, go to Project | Composer Manager.
We can open a new composer by going to Project | New Print Composer or using Ctrl + P. The composer window consists of the following: