It can contain letters and numbers but must start with a letter. It must contain at least one letter (at the start of the name). It must not contain special characters such as !@£$%&* or punctuation ...
A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules: It can contain letters and numbers but must start with a letter. It must contain at least ...
In the bad old days, I only used constants as a way to assign names to values. Things like this, for example: Private Const DaysInWeek As Integer = 7 However, these days most of my variables are ...