This is the 4407th most frequent Russian word.
вещами
The word "вещами" is the instrumental plural form of "вещь," meaning "things" or "items."
The word 'вещами' is used in its instrumental plural form to denote 'things' in general.
Он увлечён новыми вещами.
He is passionate about new things.
'Вещами' here is instrumental plural to refer to specific 'things' mentioned earlier.
На столе лежат разные вещи, я займусь этими вещами позже.
There are various things on the table; I will deal with these things later.
'Вещами' indicates personal belongings, used in the context of ownership.