1. to make a written note of
Example : I decided to take down the main points from the meeting.
2. to tear down so as to make flat with the ground
Example : The demolition crew took down the old house.
3. to reduce in worth or character, usually verbally
Example : The boss took down the whole team for their poor performance.
4. to move something or somebody to a lower position
Example : Can you take down the vase from the shelf?