Take care of announcing third and second in series (3,2)

I believe the answer is:

see to

I'm a little stuck... Click here to teach me more about this clue!

'take care of' is the definition.
(synonyms)

I don't understand the rest of the clue.

(Other definitions for see to that I've seen before include "Make sure" , "Sort out" , "handle" , "Look after" , "Deal with" .)

I've seen this clue in The Independent.

Want a hint initially instead of a full solution? Install my app