What is the difference between adagio and lento?

Adagio and lento are both used to indicate a slow tempo in music. Here are the key differences between the two:

- Speed: Adagio is slightly faster than lento. The typical range for adagio is 66-76 beats per minute (BPM), while the typical range for lento is 45-60 BPM.

- Character: Adagio is often described as graceful and expressive, while lento is more solemn and stately.