Exploring "ago" and "before": time's unique perspectives

What is similar?

Both "ago" and "before" are adverbs that relate to time, indicating that an event or action took place earlier than a reference point. They help position events in the past relative to another point in time.

What is different?

"Ago" is used to denote how much time has passed from the present moment, often with a specific time period. "Before" is used to indicate that an event occurred earlier than a specific point in time or another event, which can be in the past, present, or future.

Which one is more common?