They can be identified by the fact that they are all in uppercase. We are using it to make the script easier to read. They are procedure-level since they are declared within a procedure. In VBScript, anything after an apostrophe is a comment. As such, they are ignored when the script is processed.
Comments can appear on a line by themselves or at the end of a line of script.
Define our constant values. The constants are assigned values in the following lines. The next line demonstrates how values are taken from a form on a web page, and used within a script. The form was named frmExercise2 . Here we are referencing our web document, then the form, then the input field and finally the value of that field.