The number of Most Recently Used files that show at the bottom of the file menu can be modified on the General panel of the Preferences dialog.
The Status Bar is found at the bottom of the Chief Architect program window and displays information about the current state of the program.
Right clicking on an object will bring up a contextual menu containing all of the edit tools available for that particular type of object. Contextual menus can be turned off in your preferences.
By default, the ten most recent actions can be Undone and Redone. If you would like to increase or decrease this number, you can do so in Preferences.
The Time Tracker utility, located in the tools menu, enables you to accurately track the amount of time spent on a particular plan or layout file.