The measure attributes include LENGTH, BEARING and SINUOSITY for lines, and PERIMETER and ENCLOSED_AREA for areas.
For measurement, unit, and bearing settings, see: Measure/Units Configuration.
Sinuosity is a measure of the curviness of a line.
Add/ Update the Measure Attributes of Selected Features(s)
If one or more area and/ or line features are 
 selected with the Digitizer tool, the 
In addition to adding/ updating the measure attributes for the selected feature(s), the combined length and/or enclosed area of the selected line and area features will also be reported by this command.
                                             Display Feature Measurements
Display Feature Measurements
                                        This tool can be opened from multiple locations: 
 - In the Digitizer Toolset, choose the icon in the Information section
 - Select the MEASURE - Display Feature 
 Measurements…  
 option from the right-click menu under Analysis/ Measurement
Select the features, and open this tool to display the Feature Measurement Information dialog (pictured below) for those features. This dialog lists the relevant measurements and attributes of each selected line and area feature, as well as the total combined enclosed area and perimeter/ length of the features.
                                             
                                            
                                        
Choosing the MEASURE - Display Feature 
 Measurements… option will also populate the Selected Feature Information 
 window (above), which will display the selected feature measurements and 
 allow you to export these values to a CSV file. 
