You need to consider what exactly you will be using the software for, there are many different softwares and they all have different purposes.
Answer:
i dont know sorry man no problem listed
Explanation:
Every program that interacts with people responds to a specific set of commands. The set of commands and the syntax for entering them is called the user interface and varies from one program to another. The DOS operating system makes a distinction between internal and external commands.
I believe the answer is font.