CLEAN : French hard-left leader covered in flour at freedom march against far-right ideas

The video introduces the concept of appreciation and explores a second, unspecified concept.

What does the term 'Appreciate' mean in your own words?

How would you use the word 'Appreciate' in a sentence?

What significance does the term '2nd' hold in a sequence?

Can you provide an example of something that is considered '2nd'?

In what contexts might you encounter the term '2nd'?