What are pros and cons?

"Pros" are the primary positive aspects of an idea, process, or thing; "Cons" are the primary negative aspects.

The term "Pros and Cons" means both the primary positive and negative aspects of an idea, process, or thing, and is often used to clarify or decide whether that idea, process, or thing is mainly positive or mainly negative.

For example, when considering to go for a walk, you may look at the "Pros and Cons" of doing so, and decide whether walking is worth your time and effort or not. Some "Pros" might be that walking is a healthy activity that enhances your mental mindset and physical health. Some "Cons" might be that it requires work and you may get sweaty.

Latin phrase pro et contra, 'for and against', and that it has been in use in the abbreviated form since the 16th century. In other words, it is a well established standard usage.

Example:

The pros of logging is that people can get furniture, wood, paper or homes but the cons are that wildlife is killed and forests are destroyed.