If you right click on a selected object, and click PROPERTIES from the drop down list (or just click the PROPERTIES OF SELECTED button), you will be shown the properties of that object.
 
Each type of object has a different set of properties that it can possess.
 
Objects types include:
 
Text Objects
-Text
 
Shape Objects
-Box (Filled and Transparent Rectangles)
-Circle (Filled and Transparent Circles)
-Line (Straight Lines and Pen Tool/freehand drawn lines)
-Arrow
 
Form Field Objects
-Text Form Field (Text Input Form Fields)
-Checkbox Form Field
 
Pre-Existing Form Field Objects
-Pre-Existing Form
 
Highlight Objects
-Highlight
 
Hyperlink Objects
-Hyperlink (can be a hyperlink to a URL, a page in this document, or a page in another file)
 
Image Objects
-Image
-Signature