What does "new moon" and "waning moon(or full moon)" mean?

(Does it mean the first days of the month and the last days of the month?

Question

What does "new moon" and "waning moon(or full moon)" mean?

(Does it mean the first days of the month and the last days of the month?

Answer

New moon - we can only see a very small part of it.
Waning moon - it is getting smaller.
Waxing moon - it is getting bigger.
Full moon - we can see all of it - a complete circle.

Answer

New moon - we can only see a very small part of it.
Waning moon - it is getting smaller.
Waxing moon - it is getting bigger.
Full moon - we can see all of it - a complete circle.